3167d5d3da84c387e19ed9448f7fc2193f4afa45
[libav.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18 echo "Trying shell $1"
19 type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30 echo "Broken shell detected. Trying alternatives."
31 export FF_CONF_EXEC
32 if test "0$FF_CONF_EXEC" -lt 1; then
33 FF_CONF_EXEC=1
34 try_exec bash "$0" "$@"
35 fi
36 if test "0$FF_CONF_EXEC" -lt 2; then
37 FF_CONF_EXEC=2
38 try_exec ksh "$0" "$@"
39 fi
40 if test "0$FF_CONF_EXEC" -lt 3; then
41 FF_CONF_EXEC=3
42 try_exec /usr/xpg4/bin/sh "$0" "$@"
43 fi
44 echo "No compatible shell script interpreter found."
45 echo "This configure script requires a POSIX-compatible shell"
46 echo "such as bash or ksh."
47 echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48 echo "Instead, install a working POSIX-compatible shell."
49 echo "Disabling this configure test will create a broken FFmpeg."
50 if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51 echo "This bash version ($BASH_VERSION) is broken on your platform."
52 echo "Upgrade to a later version if available."
53 fi
54 exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63 --help print this message
64 --logfile=FILE log tests and output to FILE [config.log]
65 --disable-logging do not log configure debug information
66 --prefix=PREFIX install in PREFIX [$prefix]
67 --bindir=DIR install binaries in DIR [PREFIX/bin]
68 --datadir=DIR install data files in DIR [PREFIX/share/ffmpeg]
69 --libdir=DIR install libs in DIR [PREFIX/lib]
70 --shlibdir=DIR install shared libs in DIR [PREFIX/lib]
71 --incdir=DIR install includes in DIR [PREFIX/include]
72 --mandir=DIR install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75 --disable-static do not build static libraries [no]
76 --enable-shared build shared libraries [no]
77 --enable-gpl allow use of GPL code, the resulting libs
78 and binaries will be under GPL [no]
79 --enable-version3 upgrade (L)GPL to version 3 [no]
80 --enable-nonfree allow use of nonfree code, the resulting libs
81 and binaries will be unredistributable [no]
82 --disable-doc do not build documentation
83 --disable-ffmpeg disable ffmpeg build
84 --disable-ffplay disable ffplay build
85 --disable-ffprobe disable ffprobe build
86 --disable-ffserver disable ffserver build
87 --disable-avdevice disable libavdevice build
88 --disable-avcodec disable libavcodec build
89 --disable-avcore disable libavcore build
90 --disable-avformat disable libavformat build
91 --disable-swscale disable libswscale build
92 --enable-postproc enable GPLed postprocessing support [no]
93 --disable-avfilter disable video filter support [no]
94 --disable-pthreads disable pthreads [auto]
95 --enable-w32threads use Win32 threads [no]
96 --enable-x11grab enable X11 grabbing [no]
97 --disable-network disable network support [no]
98 --disable-mpegaudio-hp faster (but less accurate) MPEG audio decoding [no]
99 --enable-gray enable full grayscale support (slower color)
100 --disable-swscale-alpha disable alpha channel support in swscale
101 --disable-fastdiv disable table-based division
102 --enable-small optimize for size instead of speed
103 --disable-aandct disable AAN DCT code
104 --disable-dct disable DCT code
105 --disable-fft disable FFT code
106 --disable-golomb disable Golomb code
107 --disable-lpc disable LPC code
108 --disable-mdct disable MDCT code
109 --disable-rdft disable RDFT code
110 --disable-vaapi disable VAAPI code
111 --disable-vdpau disable VDPAU code
112 --disable-dxva2 disable DXVA2 code
113 --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
114 --enable-hardcoded-tables use hardcoded tables instead of runtime generation
115 --enable-memalign-hack emulate memalign, interferes with memory debuggers
116 --disable-everything disable all components listed below
117 --disable-encoder=NAME disable encoder NAME
118 --enable-encoder=NAME enable encoder NAME
119 --disable-encoders disable all encoders
120 --disable-decoder=NAME disable decoder NAME
121 --enable-decoder=NAME enable decoder NAME
122 --disable-decoders disable all decoders
123 --disable-hwaccel=NAME disable hwaccel NAME
124 --enable-hwaccel=NAME enable hwaccel NAME
125 --disable-hwaccels disable all hwaccels
126 --disable-muxer=NAME disable muxer NAME
127 --enable-muxer=NAME enable muxer NAME
128 --disable-muxers disable all muxers
129 --disable-demuxer=NAME disable demuxer NAME
130 --enable-demuxer=NAME enable demuxer NAME
131 --disable-demuxers disable all demuxers
132 --enable-parser=NAME enable parser NAME
133 --disable-parser=NAME disable parser NAME
134 --disable-parsers disable all parsers
135 --enable-bsf=NAME enable bitstream filter NAME
136 --disable-bsf=NAME disable bitstream filter NAME
137 --disable-bsfs disable all bitstream filters
138 --enable-protocol=NAME enable protocol NAME
139 --disable-protocol=NAME disable protocol NAME
140 --disable-protocols disable all protocols
141 --disable-indev=NAME disable input device NAME
142 --disable-outdev=NAME disable output device NAME
143 --disable-indevs disable input devices
144 --disable-outdevs disable output devices
145 --disable-devices disable all devices
146 --enable-filter=NAME enable filter NAME
147 --disable-filter=NAME disable filter NAME
148 --disable-filters disable all filters
149 --list-decoders show all available decoders
150 --list-encoders show all available encoders
151 --list-hwaccels show all available hardware accelerators
152 --list-muxers show all available muxers
153 --list-demuxers show all available demuxers
154 --list-parsers show all available parsers
155 --list-protocols show all available protocols
156 --list-bsfs show all available bitstream filters
157 --list-indevs show all available input devices
158 --list-outdevs show all available output devices
159 --list-filters show all available filters
160
161 External library support:
162 --enable-avisynth enable reading of AVISynth script files [no]
163 --enable-bzlib enable bzlib [autodetect]
164 --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
165 --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
166 --enable-libdc1394 enable IIDC-1394 grabbing using libdc1394
167 and libraw1394 [no]
168 --enable-libdirac enable Dirac support via libdirac [no]
169 --enable-libfaac enable FAAC support via libfaac [no]
170 --enable-libgsm enable GSM support via libgsm [no]
171 --enable-libmp3lame enable MP3 encoding via libmp3lame [no]
172 --enable-libnut enable NUT (de)muxing via libnut,
173 native (de)muxer exists [no]
174 --enable-libopenjpeg enable JPEG 2000 decoding via OpenJPEG [no]
175 --enable-librtmp enable RTMP[E] support via librtmp [no]
176 --enable-libschroedinger enable Dirac support via libschroedinger [no]
177 --enable-libspeex enable Speex decoding via libspeex [no]
178 --enable-libtheora enable Theora encoding via libtheora [no]
179 --enable-libvorbis enable Vorbis encoding via libvorbis,
180 native implementation exists [no]
181 --enable-libvpx enable VP8 support via libvpx [no]
182 --enable-libx264 enable H.264 encoding via x264 [no]
183 --enable-libxavs enable AVS encoding via xavs [no]
184 --enable-libxvid enable Xvid encoding via xvidcore,
185 native MPEG-4/Xvid encoder exists [no]
186 --enable-mlib enable Sun medialib [no]
187 --enable-zlib enable zlib [autodetect]
188
189 Advanced options (experts only):
190 --source-path=PATH path to source code [$source_path]
191 --cross-prefix=PREFIX use PREFIX for compilation tools [$cross_prefix]
192 --enable-cross-compile assume a cross-compiler is used
193 --sysroot=PATH root of cross-build tree
194 --sysinclude=PATH location of cross-build system headers
195 --target-os=OS compiler targets OS [$target_os]
196 --target-exec=CMD command to run executables on target
197 --target-path=DIR path to view of build directory on target
198 --nm=NM use nm tool
199 --ar=AR use archive tool AR [$ar_default]
200 --as=AS use assembler AS [$as_default]
201 --cc=CC use C compiler CC [$cc_default]
202 --ld=LD use linker LD
203 --host-cc=HOSTCC use host C compiler HOSTCC
204 --host-cflags=HCFLAGS use HCFLAGS when compiling for host
205 --host-ldflags=HLDFLAGS use HLDFLAGS when linking for host
206 --host-libs=HLIBS use libs HLIBS when linking for host
207 --extra-cflags=ECFLAGS add ECFLAGS to CFLAGS [$CFLAGS]
208 --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
209 --extra-libs=ELIBS add ELIBS [$ELIBS]
210 --extra-version=STRING version string suffix []
211 --build-suffix=SUFFIX library name suffix []
212 --arch=ARCH select architecture [$arch]
213 --cpu=CPU select the minimum required CPU (affects
214 instruction selection, may crash on older CPUs)
215 --disable-asm disable all assembler optimizations
216 --disable-altivec disable AltiVec optimizations
217 --disable-amd3dnow disable 3DNow! optimizations
218 --disable-amd3dnowext disable 3DNow! extended optimizations
219 --disable-mmx disable MMX optimizations
220 --disable-mmx2 disable MMX2 optimizations
221 --disable-sse disable SSE optimizations
222 --disable-ssse3 disable SSSE3 optimizations
223 --disable-armv5te disable armv5te optimizations
224 --disable-armv6 disable armv6 optimizations
225 --disable-armv6t2 disable armv6t2 optimizations
226 --disable-armvfp disable ARM VFP optimizations
227 --disable-iwmmxt disable iwmmxt optimizations
228 --disable-mmi disable MMI optimizations
229 --disable-neon disable neon optimizations
230 --disable-vis disable VIS optimizations
231 --disable-yasm disable use of yasm assembler
232 --enable-pic build position-independent code
233 --malloc-prefix=PFX prefix malloc and related names with PFX
234 --enable-sram allow use of on-chip SRAM
235
236 Developer options (useful when working on FFmpeg itself):
237 --disable-debug disable debugging symbols
238 --enable-debug=LEVEL set the debug level [$debuglevel]
239 --disable-optimizations disable compiler optimizations
240 --enable-extra-warnings enable more compiler warnings
241 --disable-stripping disable stripping of executables and shared libraries
242 --samples=PATH location of test samples for FATE
243
244 NOTE: Object files are built at the place where configure is launched.
245 EOF
246 exit 0
247 }
248
249 quotes='""'
250
251 log(){
252 echo "$@" >> $logfile
253 }
254
255 log_file(){
256 log BEGIN $1
257 pr -n -t $1 >> $logfile
258 log END $1
259 }
260
261 echolog(){
262 log "$@"
263 echo "$@"
264 }
265
266 warn(){
267 log "WARNING: $*"
268 WARNINGS="${WARNINGS}WARNING: $*\n"
269 }
270
271 die(){
272 echolog "$@"
273 cat <<EOF
274
275 If you think configure made a mistake, make sure you are using the latest
276 version from SVN. If the latest version fails, report the problem to the
277 ffmpeg-user@mplayerhq.hu mailing list or IRC #ffmpeg on irc.freenode.net.
278 EOF
279 if disabled logging; then
280 cat <<EOF
281 Rerun configure with logging enabled (do not use --disable-logging), and
282 include the log this produces with your report.
283 EOF
284 else
285 cat <<EOF
286 Include the log file "$logfile" produced by configure as this will help
287 solving the problem.
288 EOF
289 fi
290 exit 1
291 }
292
293 # Avoid locale weirdness, besides we really just want to translate ASCII.
294 toupper(){
295 echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
296 }
297
298 tolower(){
299 echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
300 }
301
302 c_escape(){
303 echo "$*" | sed 's/["\\]/\\\0/g'
304 }
305
306 sh_quote(){
307 v=$(echo "$1" | sed "s/'/'\\\\''/g")
308 test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
309 echo "$v"
310 }
311
312 filter(){
313 pat=$1
314 shift
315 for v; do
316 eval "case $v in $pat) echo $v ;; esac"
317 done
318 }
319
320 map(){
321 m=$1
322 shift
323 for v; do eval $m; done
324 }
325
326 set_all(){
327 value=$1
328 shift
329 for var in $*; do
330 eval $var=$value
331 done
332 }
333
334 set_weak(){
335 value=$1
336 shift
337 for var; do
338 eval : \${$var:=$value}
339 done
340 }
341
342 pushvar(){
343 for var in $*; do
344 eval level=\${${var}_level:=0}
345 eval ${var}_${level}="\$$var"
346 eval ${var}_level=$(($level+1))
347 done
348 }
349
350 popvar(){
351 for var in $*; do
352 eval level=\${${var}_level:-0}
353 test $level = 0 && continue
354 eval level=$(($level-1))
355 eval $var="\${${var}_${level}}"
356 eval ${var}_level=$level
357 eval unset ${var}_${level}
358 done
359 }
360
361 enable(){
362 set_all yes $*
363 }
364
365 disable(){
366 set_all no $*
367 }
368
369 enable_weak(){
370 set_weak yes $*
371 }
372
373 disable_weak(){
374 set_weak no $*
375 }
376
377 enable_safe(){
378 for var; do
379 enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
380 done
381 }
382
383 disable_safe(){
384 for var; do
385 disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
386 done
387 }
388
389 do_enable_deep(){
390 for var; do
391 enabled $var && continue
392 eval sel="\$${var}_select"
393 eval sgs="\$${var}_suggest"
394 pushvar var sgs
395 enable_deep $sel
396 popvar sgs
397 enable_deep_weak $sgs
398 popvar var
399 done
400 }
401
402 enable_deep(){
403 do_enable_deep $*
404 enable $*
405 }
406
407 enable_deep_weak(){
408 do_enable_deep $*
409 enable_weak $*
410 }
411
412 enabled(){
413 test "${1#!}" = "$1" && op== || op=!=
414 eval test "x\$${1#!}" $op "xyes"
415 }
416
417 disabled(){
418 test "${1#!}" = "$1" && op== || op=!=
419 eval test "x\$${1#!}" $op "xno"
420 }
421
422 enabled_all(){
423 for opt; do
424 enabled $opt || return 1
425 done
426 }
427
428 disabled_all(){
429 for opt; do
430 disabled $opt || return 1
431 done
432 }
433
434 enabled_any(){
435 for opt; do
436 enabled $opt && return 0
437 done
438 }
439
440 disabled_any(){
441 for opt; do
442 disabled $opt && return 0
443 done
444 return 1
445 }
446
447 set_default(){
448 for opt; do
449 eval : \${$opt:=\$${opt}_default}
450 done
451 }
452
453 is_in(){
454 value=$1
455 shift
456 for var in $*; do
457 [ $var = $value ] && return 0
458 done
459 return 1
460 }
461
462 check_deps(){
463 for cfg; do
464 cfg="${cfg#!}"
465 enabled ${cfg}_checking && die "Circular dependency for $cfg."
466 disabled ${cfg}_checking && continue
467 enable ${cfg}_checking
468
469 eval dep_all="\$${cfg}_deps"
470 eval dep_any="\$${cfg}_deps_any"
471 eval dep_sel="\$${cfg}_select"
472 eval dep_sgs="\$${cfg}_suggest"
473 eval dep_ifa="\$${cfg}_if"
474 eval dep_ifn="\$${cfg}_if_any"
475
476 pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
477 check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
478 popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
479
480 [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
481 [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
482 enabled_all $dep_all || disable $cfg
483 enabled_any $dep_any || disable $cfg
484 disabled_any $dep_sel && disable $cfg
485
486 if enabled $cfg; then
487 eval dep_extralibs="\$${cfg}_extralibs"
488 test -n "$dep_extralibs" && add_extralibs $dep_extralibs
489 enable_deep $dep_sel
490 enable_deep_weak $dep_sgs
491 fi
492
493 disable ${cfg}_checking
494 done
495 }
496
497 print_config(){
498 pfx=$1
499 header=$2
500 makefile=$3
501 shift 3
502 for cfg; do
503 ucname="$(toupper $cfg)"
504 if enabled $cfg; then
505 echo "#define ${pfx}${ucname} 1" >> $header
506 echo "${pfx}${ucname}=yes" >> $makefile
507 else
508 echo "#define ${pfx}${ucname} 0" >> $header
509 echo "!${pfx}${ucname}=yes" >> $makefile
510 fi
511 done
512 }
513
514 print_enabled(){
515 test "$1" = -n && end=" " && shift || end="\n"
516 suf=$1
517 shift
518 for v; do
519 enabled $v && printf "%s$end" ${v%$suf};
520 done
521 }
522
523 append(){
524 var=$1
525 shift
526 eval "$var=\"\$$var $*\""
527 }
528
529 prepend(){
530 var=$1
531 shift
532 eval "$var=\"$* \$$var\""
533 }
534
535 add_cppflags(){
536 append CPPFLAGS $($filter_cppflags "$@")
537 }
538
539 add_cflags(){
540 append CFLAGS $($filter_cflags "$@")
541 }
542
543 add_asflags(){
544 append ASFLAGS $($filter_asflags "$@")
545 }
546
547 add_ldflags(){
548 append LDFLAGS "$@"
549 }
550
551 add_extralibs(){
552 prepend extralibs "$@"
553 }
554
555 check_cmd(){
556 log "$@"
557 "$@" >> $logfile 2>&1
558 }
559
560 check_cc(){
561 log check_cc "$@"
562 cat > $TMPC
563 log_file $TMPC
564 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
565 }
566
567 check_cpp(){
568 log check_cpp "$@"
569 cat > $TMPC
570 log_file $TMPC
571 check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
572 }
573
574 check_as(){
575 log check_as "$@"
576 cat > $TMPC
577 log_file $TMPC
578 check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
579 }
580
581 check_asm(){
582 log check_asm "$@"
583 name="$1"
584 code="$2"
585 shift 2
586 disable $name
587 check_as "$@" <<EOF && enable $name
588 void foo(void){ __asm__ volatile($code); }
589 EOF
590 }
591
592 check_yasm(){
593 log check_yasm "$@"
594 echo "$1" > $TMPS
595 log_file $TMPS
596 shift 1
597 check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
598 }
599
600 check_ld(){
601 log check_ld "$@"
602 flags=''
603 libs=''
604 for f; do
605 test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
606 done
607 check_cc $($filter_cflags $flags) || return
608 check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $extralibs $libs
609 }
610
611 check_cppflags(){
612 log check_cppflags "$@"
613 set -- $($filter_cppflags "$@")
614 check_cc "$@" <<EOF && append CPPFLAGS "$@"
615 int x;
616 EOF
617 }
618
619 check_cflags(){
620 log check_cflags "$@"
621 set -- $($filter_cflags "$@")
622 check_cc "$@" <<EOF && append CFLAGS "$@"
623 int x;
624 EOF
625 }
626
627 test_ldflags(){
628 log test_ldflags "$@"
629 check_ld "$@" <<EOF
630 int main(void){ return 0; }
631 EOF
632 }
633
634 check_ldflags(){
635 log check_ldflags "$@"
636 test_ldflags "$@" && add_ldflags "$@"
637 }
638
639 check_header(){
640 log check_header "$@"
641 header=$1
642 shift
643 disable_safe $header
644 check_cpp "$@" <<EOF && enable_safe $header
645 #include <$header>
646 int x;
647 EOF
648 }
649
650 check_func(){
651 log check_func "$@"
652 func=$1
653 shift
654 disable $func
655 check_ld "$@" <<EOF && enable $func
656 extern int $func();
657 int main(void){ $func(); }
658 EOF
659 }
660
661 check_mathfunc(){
662 log check_mathfunc "$@"
663 func=$1
664 shift
665 disable $func
666 check_ld "$@" <<EOF && enable $func
667 #include <math.h>
668 float foo(float f) { return $func(f); }
669 int main(void){ return 0; }
670 EOF
671 }
672
673 check_func_headers(){
674 log check_func_headers "$@"
675 headers=$1
676 func=$2
677 shift 2
678 disable $func
679 incs=""
680 for hdr in $headers; do
681 incs="$incs
682 #include <$hdr>"
683 done
684 check_ld "$@" <<EOF && enable $func && enable_safe $headers
685 $incs
686 int main(int argc, char **argv){
687 return (long) $func;
688 }
689 EOF
690 }
691
692 check_cpp_condition(){
693 log check_cpp_condition "$@"
694 header=$1
695 condition=$2
696 shift 2
697 check_cpp $($filter_cppflags "$@") <<EOF
698 #include <$header>
699 #if !($condition)
700 #error "unsatisfied condition: $condition"
701 #endif
702 EOF
703 }
704
705 check_lib(){
706 log check_lib "$@"
707 header="$1"
708 func="$2"
709 shift 2
710 check_header $header && check_func $func "$@" && add_extralibs "$@"
711 }
712
713 check_lib2(){
714 log check_lib2 "$@"
715 headers="$1"
716 func="$2"
717 shift 2
718 check_func_headers "$headers" $func "$@" && add_extralibs "$@"
719 }
720
721 check_exec(){
722 check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
723 }
724
725 check_exec_crash(){
726 code=$(cat)
727
728 # exit() is not async signal safe. _Exit (C99) and _exit (POSIX)
729 # are safe but may not be available everywhere. Thus we use
730 # raise(SIGTERM) instead. The check is run in a subshell so we
731 # can redirect the "Terminated" message from the shell. SIGBUS
732 # is not defined by standard C so it is used conditionally.
733
734 (check_exec "$@") >> $logfile 2>&1 <<EOF
735 #include <signal.h>
736 static void sighandler(int sig){
737 raise(SIGTERM);
738 }
739 int main(void){
740 signal(SIGILL, sighandler);
741 signal(SIGFPE, sighandler);
742 signal(SIGSEGV, sighandler);
743 #ifdef SIGBUS
744 signal(SIGBUS, sighandler);
745 #endif
746 { $code }
747 }
748 EOF
749 }
750
751 check_type(){
752 log check_type "$@"
753 headers=$1
754 type=$2
755 shift 2
756 disable_safe "$type"
757 incs=""
758 for hdr in $headers; do
759 incs="$incs
760 #include <$hdr>"
761 done
762 check_cc "$@" <<EOF && enable_safe "$type"
763 $incs
764 $type v;
765 EOF
766 }
767
768 check_struct(){
769 log check_type "$@"
770 headers=$1
771 struct=$2
772 member=$3
773 shift 3
774 disable_safe "${struct}_${member}"
775 incs=""
776 for hdr in $headers; do
777 incs="$incs
778 #include <$hdr>"
779 done
780 check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
781 $incs
782 const void *p = &(($struct *)0)->$member;
783 EOF
784 }
785
786 require(){
787 name="$1"
788 header="$2"
789 func="$3"
790 shift 3
791 check_lib $header $func "$@" || die "ERROR: $name not found"
792 }
793
794 require2(){
795 name="$1"
796 headers="$2"
797 func="$3"
798 shift 3
799 check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
800 }
801
802 check_host_cc(){
803 log check_host_cc "$@"
804 cat > $TMPC
805 log_file $TMPC
806 check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
807 }
808
809 check_host_cflags(){
810 log check_host_cflags "$@"
811 check_host_cc "$@" <<EOF && append host_cflags "$@"
812 int x;
813 EOF
814 }
815
816 apply(){
817 file=$1
818 shift
819 "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
820 }
821
822 cp_if_changed(){
823 cmp -s "$1" "$2" &&
824 echo "$2 is unchanged" ||
825 cp -f "$1" "$2"
826 }
827
828 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
829 # system-dependent things.
830
831 COMPONENT_LIST="
832 bsfs
833 decoders
834 demuxers
835 encoders
836 filters
837 hwaccels
838 indevs
839 muxers
840 outdevs
841 parsers
842 protocols
843 "
844
845 CONFIG_LIST="
846 $COMPONENT_LIST
847 aandct
848 avcodec
849 avcore
850 avdevice
851 avfilter
852 avformat
853 avisynth
854 bzlib
855 dct
856 doc
857 dwt
858 dxva2
859 fastdiv
860 ffmpeg
861 ffplay
862 ffprobe
863 ffserver
864 fft
865 golomb
866 gpl
867 gray
868 h264dsp
869 hardcoded_tables
870 libdc1394
871 libdirac
872 libfaac
873 libgsm
874 libmp3lame
875 libnut
876 libopencore_amrnb
877 libopencore_amrwb
878 libopenjpeg
879 librtmp
880 libschroedinger
881 libspeex
882 libtheora
883 libvorbis
884 libvpx
885 libx264
886 libxavs
887 libxvid
888 lpc
889 lsp
890 mdct
891 memalign_hack
892 mlib
893 mpegaudio_hp
894 network
895 nonfree
896 pic
897 postproc
898 rdft
899 runtime_cpudetect
900 shared
901 small
902 sram
903 static
904 swscale
905 swscale_alpha
906 vaapi
907 vdpau
908 version3
909 x11grab
910 zlib
911 "
912
913 THREADS_LIST='
914 pthreads
915 w32threads
916 '
917
918 ARCH_LIST='
919 alpha
920 arm
921 avr32
922 avr32_ap
923 avr32_uc
924 bfin
925 ia64
926 m68k
927 mips
928 mips64
929 parisc
930 ppc
931 ppc64
932 s390
933 sh4
934 sparc
935 sparc64
936 tomi
937 x86
938 x86_32
939 x86_64
940 '
941
942 ARCH_EXT_LIST='
943 altivec
944 amd3dnow
945 amd3dnowext
946 armv5te
947 armv6
948 armv6t2
949 armvfp
950 iwmmxt
951 mmi
952 mmx
953 mmx2
954 neon
955 ppc4xx
956 sse
957 ssse3
958 vis
959 '
960
961 HAVE_LIST_PUB='
962 bigendian
963 fast_unaligned
964 '
965
966 HAVE_LIST="
967 $ARCH_EXT_LIST
968 $HAVE_LIST_PUB
969 $THREADS_LIST
970 alsa_asoundlib_h
971 altivec_h
972 arpa_inet_h
973 attribute_may_alias
974 attribute_packed
975 bswap
976 closesocket
977 cmov
978 conio_h
979 dcbzl
980 dev_bktr_ioctl_bt848_h
981 dev_bktr_ioctl_meteor_h
982 dev_ic_bt8xx_h
983 dev_video_meteor_ioctl_meteor_h
984 dev_video_bktr_ioctl_bt848_h
985 dlfcn_h
986 dlopen
987 dos_paths
988 ebp_available
989 ebx_available
990 exp2
991 exp2f
992 fast_64bit
993 fast_clz
994 fast_cmov
995 fcntl
996 fork
997 getaddrinfo
998 gethrtime
999 GetProcessMemoryInfo
1000 GetProcessTimes
1001 getrusage
1002 gnu_as
1003 struct_rusage_ru_maxrss
1004 ibm_asm
1005 inet_aton
1006 inline_asm
1007 isatty
1008 ldbrx
1009 libdc1394_1
1010 libdc1394_2
1011 llrint
1012 llrintf
1013 local_aligned_16
1014 local_aligned_8
1015 log2
1016 log2f
1017 loongson
1018 lrint
1019 lrintf
1020 lzo1x_999_compress
1021 machine_ioctl_bt848_h
1022 machine_ioctl_meteor_h
1023 malloc_h
1024 memalign
1025 mkstemp
1026 pld
1027 posix_memalign
1028 round
1029 roundf
1030 sdl
1031 sdl_video_size
1032 setmode
1033 socklen_t
1034 soundcard_h
1035 poll_h
1036 setrlimit
1037 strerror_r
1038 struct_addrinfo
1039 struct_ipv6_mreq
1040 struct_sockaddr_in6
1041 struct_sockaddr_sa_len
1042 struct_sockaddr_storage
1043 symver
1044 symver_gnu_asm
1045 symver_asm_label
1046 sys_mman_h
1047 sys_resource_h
1048 sys_select_h
1049 sys_soundcard_h
1050 sys_videoio_h
1051 ten_operands
1052 termios_h
1053 threads
1054 truncf
1055 vfp_args
1056 VirtualAlloc
1057 winsock2_h
1058 xform_asm
1059 yasm
1060 "
1061
1062 # options emitted with CONFIG_ prefix but not available on command line
1063 CONFIG_EXTRA="
1064 avutil
1065 gplv3
1066 lgplv3
1067 "
1068
1069 CMDLINE_SELECT="
1070 $ARCH_EXT_LIST
1071 $CONFIG_LIST
1072 $THREADS_LIST
1073 asm
1074 cross_compile
1075 debug
1076 extra_warnings
1077 logging
1078 optimizations
1079 stripping
1080 yasm
1081 "
1082
1083 PATHS_LIST='
1084 bindir
1085 datadir
1086 incdir
1087 libdir
1088 mandir
1089 prefix
1090 shlibdir
1091 '
1092
1093 CMDLINE_SET="
1094 $PATHS_LIST
1095 ar
1096 arch
1097 as
1098 build_suffix
1099 cc
1100 cpu
1101 cross_prefix
1102 dep_cc
1103 extra_version
1104 host_cc
1105 host_cflags
1106 host_ldflags
1107 host_libs
1108 host_os
1109 ld
1110 logfile
1111 malloc_prefix
1112 nm
1113 samples
1114 source_path
1115 strip
1116 sysinclude
1117 sysroot
1118 target_exec
1119 target_os
1120 target_path
1121 "
1122
1123 CMDLINE_APPEND="
1124 extra_cflags
1125 "
1126
1127 # code dependency declarations
1128
1129 # architecture extensions
1130
1131 armv5te_deps="arm"
1132 armv6_deps="arm"
1133 armv6t2_deps="arm"
1134 armvfp_deps="arm"
1135 iwmmxt_deps="arm"
1136 neon_deps="arm"
1137
1138 mmi_deps="mips"
1139
1140 altivec_deps="ppc"
1141 ppc4xx_deps="ppc"
1142
1143 vis_deps="sparc"
1144
1145 x86_64_suggest="cmov fast_cmov"
1146 amd3dnow_deps="mmx"
1147 amd3dnowext_deps="amd3dnow"
1148 mmx_deps="x86"
1149 mmx2_deps="mmx"
1150 sse_deps="mmx"
1151 ssse3_deps="sse"
1152
1153 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1154 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1155 fast_unaligned_if_any="armv6 ppc x86"
1156
1157 need_memalign="altivec neon sse"
1158 inline_asm_deps="!tms470"
1159
1160 symver_if_any="symver_asm_label symver_gnu_asm"
1161
1162 # subsystems
1163 dct_select="rdft"
1164 mdct_select="fft"
1165 rdft_select="fft"
1166
1167 # decoders / encoders / hardware accelerators
1168 aac_decoder_select="mdct rdft"
1169 aac_encoder_select="mdct"
1170 ac3_decoder_select="mdct ac3_parser"
1171 alac_encoder_select="lpc"
1172 amrnb_decoder_select="lsp"
1173 atrac1_decoder_select="mdct"
1174 atrac3_decoder_select="mdct"
1175 binkaudio_dct_decoder_select="mdct rdft dct"
1176 binkaudio_rdft_decoder_select="mdct rdft"
1177 cavs_decoder_select="golomb"
1178 cook_decoder_select="mdct"
1179 cscd_decoder_suggest="zlib"
1180 dca_decoder_select="mdct"
1181 dnxhd_encoder_select="aandct"
1182 dxa_decoder_select="zlib"
1183 eac3_decoder_select="ac3_decoder"
1184 eamad_decoder_select="aandct"
1185 eatgq_decoder_select="aandct"
1186 eatqi_decoder_select="aandct"
1187 ffv1_decoder_select="golomb"
1188 flac_decoder_select="golomb"
1189 flac_encoder_select="golomb lpc"
1190 flashsv_decoder_select="zlib"
1191 flashsv_encoder_select="zlib"
1192 flv_decoder_select="h263_decoder"
1193 flv_encoder_select="h263_encoder"
1194 h261_encoder_select="aandct"
1195 h263_decoder_select="h263_parser"
1196 h263_encoder_select="aandct"
1197 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1198 h263i_decoder_select="h263_decoder"
1199 h263p_encoder_select="h263_encoder"
1200 h264_decoder_select="golomb h264dsp"
1201 h264_dxva2_hwaccel_deps="dxva2api_h"
1202 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1203 h264_vaapi_hwaccel_select="vaapi"
1204 h264_vdpau_decoder_select="vdpau h264_decoder"
1205 imc_decoder_select="fft mdct"
1206 jpegls_decoder_select="golomb"
1207 jpegls_encoder_select="golomb"
1208 ljpeg_encoder_select="aandct"
1209 loco_decoder_select="golomb"
1210 mjpeg_encoder_select="aandct"
1211 mlp_decoder_select="mlp_parser"
1212 mp1float_decoder_select="dct"
1213 mp2float_decoder_select="dct"
1214 mp3adufloat_decoder_select="dct"
1215 mp3float_decoder_select="dct"
1216 mp3on4float_decoder_select="dct"
1217 mpeg1video_encoder_select="aandct"
1218 mpeg2video_encoder_select="aandct"
1219 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1220 mpeg4_encoder_select="h263_encoder"
1221 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1222 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1223 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1224 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1225 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1226 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1227 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1228 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1229 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1230 msmpeg4v1_decoder_select="h263_decoder"
1231 msmpeg4v1_encoder_select="h263_encoder"
1232 msmpeg4v2_decoder_select="h263_decoder"
1233 msmpeg4v2_encoder_select="h263_encoder"
1234 msmpeg4v3_decoder_select="h263_decoder"
1235 msmpeg4v3_encoder_select="h263_encoder"
1236 nellymoser_decoder_select="mdct"
1237 nellymoser_encoder_select="mdct"
1238 png_decoder_select="zlib"
1239 png_encoder_select="zlib"
1240 qcelp_decoder_select="lsp"
1241 qdm2_decoder_select="mdct rdft"
1242 ra_144_encoder_select="lpc"
1243 rv10_decoder_select="h263_decoder"
1244 rv10_encoder_select="h263_encoder"
1245 rv20_decoder_select="h263_decoder"
1246 rv20_encoder_select="h263_encoder"
1247 rv30_decoder_select="golomb h264dsp"
1248 rv40_decoder_select="golomb h264dsp"
1249 shorten_decoder_select="golomb"
1250 sipr_decoder_select="lsp"
1251 snow_decoder_select="dwt"
1252 snow_encoder_select="aandct dwt"
1253 sonic_decoder_select="golomb"
1254 sonic_encoder_select="golomb"
1255 sonic_ls_encoder_select="golomb"
1256 svq1_encoder_select="aandct"
1257 svq3_decoder_select="golomb h264dsp"
1258 svq3_decoder_suggest="zlib"
1259 theora_decoder_select="vp3_decoder"
1260 tiff_decoder_suggest="zlib"
1261 tiff_encoder_suggest="zlib"
1262 truehd_decoder_select="mlp_decoder"
1263 tscc_decoder_select="zlib"
1264 twinvq_decoder_select="mdct lsp"
1265 vc1_decoder_select="h263_decoder"
1266 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1267 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1268 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1269 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1270 vorbis_decoder_select="mdct"
1271 vorbis_encoder_select="mdct"
1272 vp6a_decoder_select="vp6_decoder"
1273 vp6f_decoder_select="vp6_decoder"
1274 vp8_decoder_select="h264dsp"
1275 wmapro_decoder_select="mdct"
1276 wmav1_decoder_select="mdct"
1277 wmav1_encoder_select="mdct"
1278 wmav2_decoder_select="mdct"
1279 wmav2_encoder_select="mdct"
1280 wmavoice_decoder_select="lsp rdft dct mdct"
1281 wmv1_decoder_select="h263_decoder"
1282 wmv1_encoder_select="h263_encoder"
1283 wmv2_decoder_select="h263_decoder"
1284 wmv2_encoder_select="h263_encoder"
1285 wmv3_decoder_select="vc1_decoder"
1286 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1287 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1288 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1289 zlib_decoder_select="zlib"
1290 zlib_encoder_select="zlib"
1291 zmbv_decoder_select="zlib"
1292 zmbv_encoder_select="zlib"
1293
1294 vaapi_deps="va_va_h"
1295 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1296
1297 # parsers
1298 h264_parser_select="golomb h264dsp"
1299
1300 # external libraries
1301 libdirac_decoder_deps="libdirac !libschroedinger"
1302 libdirac_encoder_deps="libdirac"
1303 libfaac_encoder_deps="libfaac"
1304 libgsm_decoder_deps="libgsm"
1305 libgsm_encoder_deps="libgsm"
1306 libgsm_ms_decoder_deps="libgsm"
1307 libgsm_ms_encoder_deps="libgsm"
1308 libmp3lame_encoder_deps="libmp3lame"
1309 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1310 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1311 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1312 libopenjpeg_decoder_deps="libopenjpeg"
1313 libschroedinger_decoder_deps="libschroedinger"
1314 libschroedinger_encoder_deps="libschroedinger"
1315 libspeex_decoder_deps="libspeex"
1316 libtheora_encoder_deps="libtheora"
1317 libvorbis_encoder_deps="libvorbis"
1318 libvpx_decoder_deps="libvpx"
1319 libvpx_encoder_deps="libvpx"
1320 libx264_encoder_deps="libx264"
1321 libxavs_encoder_deps="libxavs"
1322 libxvid_encoder_deps="libxvid"
1323
1324 # demuxers / muxers
1325 ac3_demuxer_deps="ac3_parser"
1326 asf_stream_muxer_select="asf_muxer"
1327 avisynth_demuxer_deps="avisynth"
1328 dirac_demuxer_deps="dirac_parser"
1329 eac3_demuxer_select="ac3_parser"
1330 ipod_muxer_select="mov_muxer"
1331 libnut_demuxer_deps="libnut"
1332 libnut_muxer_deps="libnut"
1333 matroska_audio_muxer_select="matroska_muxer"
1334 matroska_demuxer_suggest="zlib bzlib"
1335 mov_demuxer_suggest="zlib"
1336 mp3_demuxer_deps="mpegaudio_parser"
1337 mp4_muxer_select="mov_muxer"
1338 mpegtsraw_demuxer_select="mpegts_demuxer"
1339 mxf_d10_muxer_select="mxf_muxer"
1340 ogg_demuxer_select="golomb"
1341 psp_muxer_select="mov_muxer"
1342 rtsp_demuxer_deps="sdp_demuxer"
1343 rtsp_muxer_deps="sdp_demuxer"
1344 rtsp_muxer_select="rtp_muxer"
1345 sdp_demuxer_deps="rtp_protocol mpegts_demuxer"
1346 sdp_demuxer_select="asf_demuxer rm_demuxer"
1347 spdif_muxer_select="aac_parser"
1348 tg2_muxer_select="mov_muxer"
1349 tgp_muxer_select="mov_muxer"
1350 w64_demuxer_deps="wav_demuxer"
1351
1352 # indevs / outdevs
1353 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1354 alsa_indev_extralibs="-lasound"
1355 alsa_outdev_deps="alsa_asoundlib_h"
1356 alsa_outdev_extralibs="-lasound"
1357 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1358 dv1394_indev_deps="dv1394 dv_demuxer"
1359 jack_indev_deps="jack_jack_h"
1360 jack_indev_extralibs="-ljack"
1361 libdc1394_indev_deps="libdc1394"
1362 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1363 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1364 v4l_indev_deps="linux_videodev_h"
1365 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1366 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1367 vfwcap_indev_extralibs="-lavicap32"
1368 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1369 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1370
1371 # protocols
1372 gopher_protocol_deps="network"
1373 http_protocol_deps="network"
1374 http_protocol_select="tcp_protocol"
1375 mmst_protocol_deps="network"
1376 rtmp_protocol_select="tcp_protocol"
1377 rtp_protocol_select="udp_protocol"
1378 tcp_protocol_deps="network"
1379 udp_protocol_deps="network"
1380
1381 # libraries
1382 avdevice_deps="avcodec avformat"
1383 avformat_deps="avcodec"
1384
1385 # programs
1386 ffmpeg_deps="avcodec avformat swscale"
1387 ffmpeg_select="buffer_filter"
1388 ffplay_deps="avcodec avformat swscale sdl"
1389 ffplay_select="rdft"
1390 ffprobe_deps="avcodec avformat"
1391 ffserver_deps="avformat ffm_muxer rtp_protocol rtsp_demuxer"
1392 ffserver_extralibs='$ldl'
1393
1394 doc_deps="texi2html"
1395
1396 # tests
1397
1398 test_deps(){
1399 suf1=$1
1400 suf2=$2
1401 shift 2
1402 for v; do
1403 dep=${v%=*}
1404 tests=${v#*=}
1405 for name in ${tests}; do
1406 eval ${name}_test_deps="'${dep}$suf1 ${dep}$suf2'"
1407 done
1408 done
1409 }
1410
1411 set_ne_test_deps(){
1412 eval ${1}_be_test_deps="bigendian"
1413 eval ${1}_le_test_deps="!bigendian"
1414 }
1415
1416 test_deps _encoder _decoder \
1417 ac3 \
1418 adpcm_g726=g726 \
1419 adpcm_ima_qt \
1420 adpcm_ima_wav \
1421 adpcm_ms \
1422 adpcm_swf \
1423 adpcm_yamaha=adpcm_yam \
1424 alac \
1425 asv1 \
1426 asv2 \
1427 bmp \
1428 dnxhd="hdxhd_1080i dnxhd_720p dnxhd_720p_rd" \
1429 dvvideo="dv dv50" \
1430 ffv1 \
1431 flac \
1432 flashsv \
1433 flv \
1434 gif \
1435 h261 \
1436 h263="h263 h263p" \
1437 huffyuv \
1438 jpegls \
1439 mjpeg="jpg mjpeg ljpeg" \
1440 mp2 \
1441 mpeg1video="mpeg mpeg1b" \
1442 mpeg2video="mpeg2 mpeg2thread" \
1443 mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc" \
1444 msmpeg4v3=msmpeg4 \
1445 msmpeg4v2 \
1446 pbm=pbmpipe \
1447 pcx \
1448 pgm="pgm pgmpipe" \
1449 ppm="ppm ppmpipe" \
1450 rawvideo="rgb yuv" \
1451 roq \
1452 rv10 \
1453 rv20 \
1454 sgi \
1455 snow="snow snowll" \
1456 svq1 \
1457 targa=tga \
1458 tiff \
1459 wmav1 \
1460 wmav2 \
1461 wmv1 \
1462 wmv2 \
1463
1464 test_deps _muxer _demuxer \
1465 aiff \
1466 pcm_alaw=alaw \
1467 asf \
1468 au \
1469 avi \
1470 dv=dv_fmt \
1471 ffm \
1472 flv=flv_fmt \
1473 gxf \
1474 matroska=mkv \
1475 mmf \
1476 mov \
1477 pcm_mulaw=mulaw \
1478 mxf \
1479 nut \
1480 ogg \
1481 rawvideo=pixfmt \
1482 rm \
1483 swf \
1484 mpegts=ts \
1485 voc \
1486 wav \
1487 yuv4mpegpipe=yuv4mpeg \
1488
1489 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1490
1491 set_ne_test_deps pixdesc
1492
1493 # default parameters
1494
1495 logfile="config.log"
1496
1497 # installation paths
1498 prefix_default="/usr/local"
1499 bindir_default='${prefix}/bin'
1500 datadir_default='${prefix}/share/ffmpeg'
1501 incdir_default='${prefix}/include'
1502 libdir_default='${prefix}/lib'
1503 mandir_default='${prefix}/share/man'
1504 shlibdir_default="$libdir_default"
1505
1506 # toolchain
1507 ar_default="ar"
1508 cc_default="gcc"
1509 cc_version=\"unknown\"
1510 host_cc_default="gcc"
1511 ln_s="ln -sf"
1512 nm_default="nm"
1513 objformat="elf"
1514 ranlib="ranlib"
1515 strip_default="strip"
1516 yasmexe="yasm"
1517 nogas=":"
1518
1519 nm_opts='-g'
1520
1521 # machine
1522 arch_default=$(uname -m)
1523 cpu="generic"
1524
1525 # OS
1526 target_os_default=$(tolower $(uname -s))
1527 host_os=$target_os_default
1528
1529 # configurable options
1530 enable avcodec
1531 enable avcore
1532 enable avdevice
1533 enable avfilter
1534 enable avformat
1535 enable avutil
1536 enable asm
1537 enable debug
1538 enable doc
1539 enable fastdiv
1540 enable ffmpeg
1541 enable ffplay
1542 enable ffprobe
1543 enable ffserver
1544 enable mpegaudio_hp
1545 enable network
1546 enable optimizations
1547 enable protocols
1548 enable static
1549 enable stripping
1550 enable swscale
1551 enable swscale_alpha
1552
1553 # build settings
1554 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1555 FFSERVERLDFLAGS=-Wl,-E
1556 LIBPREF="lib"
1557 LIBSUF=".a"
1558 FULLNAME='$(NAME)$(BUILDSUF)'
1559 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1560 SLIBPREF="lib"
1561 SLIBSUF=".so"
1562 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1563 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1564 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1565 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1566
1567 CC_O='-o $@'
1568
1569 host_cflags='-D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112 -O3 -g -Wall'
1570 host_libs='-lm'
1571
1572 target_path='$(CURDIR)'
1573
1574 # since the object filename is not given with the -MM flag, the compiler
1575 # is only able to print the basename, and we must add the path ourselves
1576 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1577 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1578
1579 # find source path
1580 source_path="$(dirname "$0")"
1581 enable source_path_used
1582 if test -f configure; then
1583 source_path="$(pwd)"
1584 disable source_path_used
1585 else
1586 source_path="$(cd "$source_path"; pwd)"
1587 echo "$source_path" | grep -q '[[:blank:]]' &&
1588 die "Out of tree builds are impossible with whitespace in source path."
1589 test -e "$source_path/config.h" &&
1590 die "Out of tree builds are impossible with config.h in source dir."
1591 fi
1592
1593 for v in "$@"; do
1594 r=${v#*=}
1595 l=${v%"$r"}
1596 r=$(sh_quote "$r")
1597 FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1598 done
1599
1600 find_things(){
1601 thing=$1
1602 pattern=$2
1603 file=$source_path/$3
1604 sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1605 }
1606
1607 ENCODER_LIST=$(find_things encoder ENC libavcodec/allcodecs.c)
1608 DECODER_LIST=$(find_things decoder DEC libavcodec/allcodecs.c)
1609 HWACCEL_LIST=$(find_things hwaccel HWACCEL libavcodec/allcodecs.c)
1610 PARSER_LIST=$(find_things parser PARSER libavcodec/allcodecs.c)
1611 BSF_LIST=$(find_things bsf BSF libavcodec/allcodecs.c)
1612 MUXER_LIST=$(find_things muxer _MUX libavformat/allformats.c)
1613 DEMUXER_LIST=$(find_things demuxer DEMUX libavformat/allformats.c)
1614 OUTDEV_LIST=$(find_things outdev OUTDEV libavdevice/alldevices.c)
1615 INDEV_LIST=$(find_things indev _IN libavdevice/alldevices.c)
1616 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1617 FILTER_LIST=$(find_things filter FILTER libavfilter/allfilters.c)
1618
1619 find_tests(){
1620 map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1621 }
1622
1623 ACODEC_TESTS=$(find_tests acodec)
1624 VCODEC_TESTS=$(find_tests vsynth1)
1625 LAVF_TESTS=$(find_tests lavf)
1626 LAVFI_TESTS=$(find_tests lavfi)
1627 SEEK_TESTS=$(find_tests seek seek_)
1628
1629 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1630
1631 for n in $COMPONENT_LIST; do
1632 v=$(toupper ${n%s})_LIST
1633 eval enable \$$v
1634 eval ${n}_if_any="\$$v"
1635 done
1636
1637 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1638
1639 die_unknown(){
1640 echo "Unknown option \"$1\"."
1641 echo "See $0 --help for available options."
1642 exit 1
1643 }
1644
1645 show_list() {
1646 suffix=_$1
1647 shift
1648 echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1649 exit 0
1650 }
1651
1652 for opt do
1653 optval="${opt#*=}"
1654 case "$opt" in
1655 --extra-ldflags=*) add_ldflags $optval
1656 ;;
1657 --extra-libs=*) add_extralibs $optval
1658 ;;
1659 --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1660 ;;
1661 --enable-debug=*) debuglevel="$optval"
1662 ;;
1663 --disable-everything)
1664 map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1665 ;;
1666 --enable-*=*|--disable-*=*)
1667 eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1668 is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1669 eval list=\$$(toupper $thing)_LIST
1670 name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1671 $action $(filter "$name" $list)
1672 ;;
1673 --enable-?*|--disable-?*)
1674 eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1675 if is_in $option $COMPONENT_LIST; then
1676 test $action = disable && action=unset
1677 eval $action \$$(toupper ${option%s})_LIST
1678 elif is_in $option $CMDLINE_SELECT; then
1679 $action $option
1680 else
1681 die_unknown $opt
1682 fi
1683 ;;
1684 --list-*)
1685 NAME="${opt#--list-}"
1686 is_in $NAME $COMPONENT_LIST || die_unknown $opt
1687 NAME=${NAME%s}
1688 eval show_list $NAME \$$(toupper $NAME)_LIST
1689 ;;
1690 --help|-h) show_help
1691 ;;
1692 *)
1693 optname="${opt%%=*}"
1694 optname="${optname#--}"
1695 optname=$(echo "$optname" | sed 's/-/_/g')
1696 if is_in $optname $CMDLINE_SET; then
1697 eval $optname='$optval'
1698 elif is_in $optname $CMDLINE_APPEND; then
1699 append $optname "$optval"
1700 else
1701 die_unknown $opt
1702 fi
1703 ;;
1704 esac
1705 done
1706
1707 disabled logging && logfile=/dev/null
1708
1709 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1710 set >> $logfile
1711
1712 test -n "$cross_prefix" && enable cross_compile
1713
1714 if enabled cross_compile; then
1715 test -n "$arch" && test -n "$target_os" ||
1716 die "Must specify target arch and OS when cross-compiling"
1717 fi
1718
1719 set_default arch target_os
1720
1721 ar_default="${cross_prefix}${ar_default}"
1722 cc_default="${cross_prefix}${cc_default}"
1723 nm_default="${cross_prefix}${nm_default}"
1724 ranlib="${cross_prefix}${ranlib}"
1725 strip_default="${cross_prefix}${strip_default}"
1726
1727 sysinclude_default="${sysroot}/usr/include"
1728
1729 set_default cc nm strip sysinclude
1730 enabled cross_compile || host_cc_default=$cc
1731 set_default host_cc
1732
1733 exesuf() {
1734 case $1 in
1735 mingw32*|cygwin*|*-dos|freedos|opendos|os/2*) echo .exe ;;
1736 esac
1737 }
1738
1739 EXESUF=$(exesuf $target_os)
1740 HOSTEXESUF=$(exesuf $host_os)
1741
1742 # set temporary file name
1743 : ${TMPDIR:=$TEMPDIR}
1744 : ${TMPDIR:=$TMP}
1745 : ${TMPDIR:=/tmp}
1746
1747 if ! check_cmd type mktemp; then
1748 # simple replacement for missing mktemp
1749 # NOT SAFE FOR GENERAL USE
1750 mktemp(){
1751 echo "${2%XXX*}.${HOSTNAME}.${UID}.$$"
1752 }
1753 fi
1754
1755 tmpfile(){
1756 tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1757 (set -C; exec > $tmp) 2>/dev/null ||
1758 die "Unable to create temporary file in $TMPDIR."
1759 append TMPFILES $tmp
1760 eval $1=$tmp
1761 }
1762
1763 trap 'rm -f -- $TMPFILES' EXIT
1764 trap exit HUP INT TERM
1765
1766 tmpfile TMPC .c
1767 tmpfile TMPE $EXESUF
1768 tmpfile TMPH .h
1769 tmpfile TMPO .o
1770 tmpfile TMPS .S
1771 tmpfile TMPV .ver
1772 tmpfile TMPSH .sh
1773
1774 unset -f mktemp
1775
1776 # make sure we can execute files in $TMPDIR
1777 cat > $TMPSH 2>> $logfile <<EOF
1778 #! /bin/sh
1779 EOF
1780 chmod +x $TMPSH >> $logfile 2>&1
1781 if ! $TMPSH >> $logfile 2>&1; then
1782 cat <<EOF
1783 Unable to create and execute files in $TMPDIR. Set the TMPDIR environment
1784 variable to another directory and make sure that it is not mounted noexec.
1785 EOF
1786 die "Sanity test failed."
1787 fi
1788
1789 filter_cflags=echo
1790 filter_cppflags=echo
1791 filter_asflags=echo
1792
1793 if $cc -v 2>&1 | grep -qi ^gcc; then
1794 cc_type=gcc
1795 cc_version=__VERSION__
1796 gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1797 cc_ident="gcc $($cc -dumpversion) $gcc_extra_ver"
1798 if ! $cc -dumpversion | grep -q '^2\.'; then
1799 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1800 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1801 fi
1802 speed_cflags='-O3'
1803 size_cflags='-Os'
1804 elif $cc --version 2>/dev/null | grep -q Intel; then
1805 cc_type=icc
1806 cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1807 cc_ident=$($cc --version | head -n1)
1808 CC_DEPFLAGS='-MMD'
1809 AS_DEPFLAGS='-MMD'
1810 speed_cflags='-O3'
1811 size_cflags='-Os'
1812 noopt_cflags='-O1'
1813 elif $cc -v 2>&1 | grep -q xlc; then
1814 cc_type=xlc
1815 cc_version="AV_STRINGIFY(__IBMC__)"
1816 cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1817 speed_cflags='-O5'
1818 size_cflags='-O5 -qcompact'
1819 elif $cc -V 2>/dev/null | grep -q Compaq; then
1820 cc_type=ccc
1821 cc_version="AV_STRINGIFY(__DECC_VER)"
1822 cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1823 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1824 debuglevel=3
1825 add_ldflags -Wl,-z,now # calls to libots crash without this
1826 speed_cflags='-fast'
1827 size_cflags='-O1'
1828 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1829 test -d "$sysroot" || die "No valid sysroot specified."
1830 cc_type=armcc
1831 cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1832 cc_ident=$($cc --vsn | head -n1)
1833 armcc_conf="$PWD/armcc.conf"
1834 $cc --arm_linux_configure \
1835 --arm_linux_config_file="$armcc_conf" \
1836 --configure_sysroot="$sysroot" \
1837 --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1838 die "Error creating armcc configuration file."
1839 cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1840 as_default="${cross_prefix}gcc"
1841 CC_DEPFLAGS='-MMD'
1842 AS_DEPFLAGS='-MMD'
1843 speed_cflags='-O3'
1844 size_cflags='-Os'
1845 elif $cc -version 2>/dev/null | grep -q TMS470; then
1846 cc_type=tms470
1847 cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1848 cc_ident=$($cc -version | head -n1 | tr -s ' ')
1849 cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1850 CC_O='-fr=$(@D)'
1851 as_default="${cross_prefix}gcc"
1852 ld_default="${cross_prefix}gcc"
1853 TMPO=$(basename $TMPC .c).o
1854 append TMPFILES $TMPO
1855 add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1856 CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
1857 AS_DEPFLAGS='-MMD'
1858 speed_cflags='-O3 -mf=5'
1859 size_cflags='-O3 -mf=2'
1860 filter_cflags=tms470_flags
1861 tms470_flags(){
1862 for flag; do
1863 case $flag in
1864 -march=*|-mcpu=*)
1865 case "${flag#*=}" in
1866 armv7-a|cortex-a*) echo -mv=7a8 ;;
1867 armv7-r|cortex-r*) echo -mv=7r4 ;;
1868 armv7-m|cortex-m*) echo -mv=7m3 ;;
1869 armv6*|arm11*) echo -mv=6 ;;
1870 armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
1871 echo -mv=5e ;;
1872 armv4*|arm7*|arm9[24]*) echo -mv=4 ;;
1873 esac
1874 ;;
1875 -mfpu=neon) echo --float_support=vfpv3 --neon ;;
1876 -mfpu=vfp) echo --float_support=vfpv2 ;;
1877 -mfpu=vfpv3) echo --float_support=vfpv3 ;;
1878 -msoft-float) echo --float_support=vfplib ;;
1879 -O[0-3]|-mf=*) echo $flag ;;
1880 -g) echo -g -mn ;;
1881 -pds=*) echo $flag ;;
1882 esac
1883 done
1884 }
1885 elif $cc -v 2>&1 | grep -q clang; then
1886 cc_type=clang
1887 $cc -dM -E $TMPC | grep -q __clang_version__ &&
1888 cc_version=__clang_version__ || cc_version=__VERSION__
1889 cc_ident=$($cc --version | head -n1)
1890 CC_DEPFLAGS='-MMD'
1891 AS_DEPFLAGS='-MMD'
1892 speed_cflags='-O3'
1893 size_cflags='-Os'
1894 elif $cc -V 2>&1 | grep -q Sun; then
1895 cc_type=suncc
1896 cc_version="AV_STRINGIFY(__SUNPRO_C)"
1897 cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
1898 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
1899 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
1900 speed_cflags='-O5'
1901 size_cflags='-O5 -xspace'
1902 filter_cflags=suncc_flags
1903 suncc_flags(){
1904 for flag; do
1905 case $flag in
1906 -march=*|-mcpu=*)
1907 case "${flag#*=}" in
1908 native) echo -xtarget=native ;;
1909 v9|niagara) echo -xarch=sparc ;;
1910 ultrasparc) echo -xarch=sparcvis ;;
1911 ultrasparc3|niagara2) echo -xarch=sparcvis2 ;;
1912 i586|pentium) echo -xchip=pentium ;;
1913 i686|pentiumpro|pentium2) echo -xtarget=pentium_pro ;;
1914 pentium3*|c3-2) echo -xtarget=pentium3 ;;
1915 pentium-m) echo -xarch=sse2 -xchip=pentium3 ;;
1916 pentium4*) echo -xtarget=pentium4 ;;
1917 prescott|nocona) echo -xarch=sse3 -xchip=pentium4 ;;
1918 *-sse3) echo -xarch=sse3 ;;
1919 core2) echo -xarch=ssse3 -xchip=core2 ;;
1920 amdfam10|barcelona) echo -xarch=sse4_1 ;;
1921 athlon-4|athlon-[mx]p) echo -xarch=ssea ;;
1922 k8|opteron|athlon64|athlon-fx)
1923 echo -xarch=sse2a ;;
1924 athlon*) echo -xarch=pentium_proa ;;
1925 esac
1926 ;;
1927 -std=c99) echo -xc99 ;;
1928 -fomit-frame-pointer) echo -xregs=frameptr ;;
1929 -fPIC) echo -KPIC -xcode=pic32 ;;
1930 -W*,*) echo $flag ;;
1931 -f*-*|-W*) ;;
1932 *) echo $flag ;;
1933 esac
1934 done
1935 }
1936 elif $cc -v 2>&1 | grep -q PathScale; then
1937 cc_type=pathscale
1938 cc_version=__PATHSCALE__
1939 cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
1940 CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1941 AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1942 speed_cflags='-O2'
1943 size_cflags='-Os'
1944 fi
1945
1946 test -n "$cc_type" && enable $cc_type ||
1947 warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
1948
1949 : ${as_default:=$cc}
1950 : ${dep_cc_default:=$cc}
1951 : ${ld_default:=$cc}
1952 set_default ar as dep_cc ld
1953
1954 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
1955 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
1956
1957 add_cflags $extra_cflags
1958 add_asflags $extra_cflags
1959
1960 if test -n "$sysroot"; then
1961 case "$cc_type" in
1962 gcc)
1963 add_cppflags --sysroot="$sysroot"
1964 add_ldflags --sysroot="$sysroot"
1965 ;;
1966 tms470)
1967 add_cppflags -I"$sysinclude"
1968 add_ldflags --sysroot="$sysroot"
1969 ;;
1970 clang)
1971 add_cppflags -isysroot "$sysroot"
1972 add_ldflags -isysroot "$sysroot"
1973 ;;
1974 esac
1975 fi
1976
1977 if test "$cpu" = host; then
1978 enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
1979
1980 case "$cc_type" in
1981 gcc)
1982 check_native(){
1983 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
1984 sed -n "/$1=/{
1985 s/.*$1=\\([^ ]*\\).*/\\1/
1986 p
1987 q
1988 }" $TMPE
1989 }
1990 cpu=$(check_native -march || check_native -mcpu)
1991 ;;
1992 esac
1993
1994 test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
1995 fi
1996
1997 # Deal with common $arch aliases
1998 case "$arch" in
1999 arm*)
2000 arch="arm"
2001 ;;
2002 mips|mipsel|IP*)
2003 arch="mips"
2004 ;;
2005 mips64*)
2006 arch="mips"
2007 subarch="mips64"
2008 ;;
2009 parisc|hppa)
2010 arch="parisc"
2011 ;;
2012 parisc64|hppa64)
2013 arch="parisc"
2014 subarch="parisc64"
2015 ;;
2016 "Power Macintosh"|ppc|powerpc)
2017 arch="ppc"
2018 ;;
2019 ppc64|powerpc64)
2020 arch="ppc"
2021 subarch="ppc64"
2022 ;;
2023 s390|s390x)
2024 arch="s390"
2025 ;;
2026 sh4|sh)
2027 arch="sh4"
2028 ;;
2029 sun4u|sparc64)
2030 arch="sparc"
2031 subarch="sparc64"
2032 ;;
2033 i[3-6]86|i86pc|BePC|x86_64|amd64)
2034 arch="x86"
2035 ;;
2036 esac
2037
2038 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2039 enable $arch
2040
2041 # Add processor-specific flags
2042 if test "$cpu" = generic; then
2043 : do nothing
2044 elif enabled ppc; then
2045
2046 case $(tolower $cpu) in
2047 601|ppc601|powerpc601)
2048 cpuflags="-mcpu=601"
2049 disable altivec
2050 ;;
2051 603*|ppc603*|powerpc603*)
2052 cpuflags="-mcpu=603"
2053 disable altivec
2054 ;;
2055 604*|ppc604*|powerpc604*)
2056 cpuflags="-mcpu=604"
2057 disable altivec
2058 ;;
2059 g3|75*|ppc75*|powerpc75*)
2060 cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2061 disable altivec
2062 ;;
2063 g4|745*|ppc745*|powerpc745*)
2064 cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2065 ;;
2066 74*|ppc74*|powerpc74*)
2067 cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2068 ;;
2069 g5|970|ppc970|powerpc970|power4*)
2070 cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2071 ;;
2072 cell)
2073 cpuflags="-mcpu=cell"
2074 enable ldbrx
2075 ;;
2076 e500v2)
2077 cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2078 disable altivec
2079 ;;
2080 e500)
2081 cpuflags="-mcpu=8540 -mhard-float"
2082 disable altivec
2083 ;;
2084 esac
2085
2086 elif enabled x86; then
2087
2088 case $cpu in
2089 i[345]86|pentium)
2090 cpuflags="-march=$cpu"
2091 disable mmx
2092 ;;
2093 # targets that do NOT support conditional mov (cmov)
2094 pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2095 cpuflags="-march=$cpu"
2096 disable cmov
2097 ;;
2098 # targets that do support conditional mov (cmov)
2099 i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64|k8|opteron|athlon-fx|core2|amdfam10|barcelona)
2100 cpuflags="-march=$cpu"
2101 enable cmov
2102 enable fast_cmov
2103 ;;
2104 # targets that do support conditional mov but on which it's slow
2105 pentium4|pentium4m|prescott|nocona)
2106 cpuflags="-march=$cpu"
2107 enable cmov
2108 disable fast_cmov
2109 ;;
2110 esac
2111
2112 elif enabled sparc; then
2113
2114 case $cpu in
2115 niagara)
2116 cpuflags="-mcpu=$cpu"
2117 disable vis
2118 ;;
2119 sparc64)
2120 cpuflags="-mcpu=v9"
2121 ;;
2122 esac
2123
2124 elif enabled arm; then
2125
2126 case $cpu in
2127 armv*)
2128 cpuflags="-march=$cpu"
2129 subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2130 ;;
2131 *)
2132 cpuflags="-mcpu=$cpu"
2133 case $cpu in
2134 cortex-a*) subarch=armv7a ;;
2135 cortex-r*) subarch=armv7r ;;
2136 cortex-m*) subarch=armv7m ;;
2137 arm11*) subarch=armv6 ;;
2138 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2139 armv4*|arm7*|arm9[24]*) subarch=armv4 ;;
2140 esac
2141 ;;
2142 esac
2143
2144 elif enabled alpha; then
2145
2146 enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2147
2148 elif enabled bfin; then
2149
2150 cpuflags="-mcpu=$cpu"
2151
2152 elif enabled mips; then
2153
2154 cpuflags="-march=$cpu"
2155
2156 elif enabled avr32; then
2157
2158 case $cpu in
2159 ap7[02]0[0-2])
2160 subarch="avr32_ap"
2161 cpuflags="-mpart=$cpu"
2162 ;;
2163 ap)
2164 subarch="avr32_ap"
2165 cpuflags="-march=$cpu"
2166 ;;
2167 uc3[ab]*)
2168 subarch="avr32_uc"
2169 cpuflags="-mcpu=$cpu"
2170 ;;
2171 uc)
2172 subarch="avr32_uc"
2173 cpuflags="-march=$cpu"
2174 ;;
2175 esac
2176
2177 fi
2178
2179 add_cflags $cpuflags
2180 add_asflags $cpuflags
2181
2182 # compiler sanity check
2183 check_exec <<EOF
2184 int main(void){ return 0; }
2185 EOF
2186 if test "$?" != 0; then
2187 echo "$cc is unable to create an executable file."
2188 if test -z "$cross_prefix" && ! enabled cross_compile ; then
2189 echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2190 echo "Only do this if you know what cross compiling means."
2191 fi
2192 die "C compiler test failed."
2193 fi
2194
2195 add_cppflags -D_ISOC99_SOURCE -D_POSIX_C_SOURCE=200112
2196 check_cflags -std=c99
2197 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2198 #include <stdlib.h>
2199 EOF
2200 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2201 #include <stdlib.h>
2202 EOF
2203
2204 check_host_cflags -std=c99
2205
2206 case "$arch" in
2207 alpha|ia64|mips|parisc|sparc)
2208 spic=$shared
2209 ;;
2210 x86)
2211 subarch="x86_32"
2212 check_cc <<EOF && subarch="x86_64"
2213 int test[(int)sizeof(char*) - 7];
2214 EOF
2215 if test "$subarch" = "x86_64"; then
2216 spic=$shared
2217 fi
2218 ;;
2219 esac
2220
2221 enable $subarch
2222 enabled spic && enable pic
2223
2224 # OS specific
2225 case $target_os in
2226 haiku)
2227 prefix_default="/boot/common"
2228 network_extralibs="-lnetwork"
2229 ;;
2230 sunos)
2231 FFSERVERLDFLAGS=""
2232 SHFLAGS='-shared -Wl,-h,$$(@F)'
2233 enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2234 network_extralibs="-lsocket -lnsl"
2235 add_cppflags -D__EXTENSIONS__
2236 nm_opts='-P -g'
2237 ;;
2238 netbsd)
2239 oss_indev_extralibs="-lossaudio"
2240 oss_outdev_extralibs="-lossaudio"
2241 add_cppflags -D_XOPEN_SOURCE=600
2242 ;;
2243 openbsd)
2244 enable malloc_aligned
2245 # On OpenBSD 4.5. the compiler does not use PIC unless
2246 # explicitly using -fPIC. FFmpeg builds fine without PIC,
2247 # however the generated executable will not do anything
2248 # (simply quits with exit-code 1, no crash, no output).
2249 # Thus explicitly enable PIC here.
2250 enable pic
2251 SHFLAGS='-shared'
2252 oss_indev_extralibs="-lossaudio"
2253 oss_outdev_extralibs="-lossaudio"
2254 ;;
2255 freebsd|dragonfly)
2256 enable malloc_aligned
2257 ;;
2258 bsd/os)
2259 add_extralibs -lpoll -lgnugetopt
2260 strip="strip -d"
2261 ;;
2262 darwin)
2263 enable malloc_aligned
2264 gas="gas-preprocessor.pl $cc"
2265 enabled ppc && add_asflags -force_cpusubtype_ALL
2266 SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR) -Wl,-read_only_relocs,suppress'
2267 strip="${strip} -x"
2268 add_ldflags -Wl,-dynamic,-search_paths_first
2269 SLIBSUF=".dylib"
2270 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2271 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2272 FFSERVERLDFLAGS=-Wl,-bind_at_load
2273 objformat="macho"
2274 enabled x86_64 && objformat="macho64"
2275 enabled_any pic shared ||
2276 { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2277 ;;
2278 mingw32*)
2279 if test $target_os = "mingw32ce"; then
2280 disable network
2281 else
2282 target_os=mingw32
2283 fi
2284 LIBTARGET=i386
2285 if enabled x86_64; then
2286 enable malloc_aligned
2287 LIBTARGET=x64
2288 elif enabled arm; then
2289 LIBTARGET=arm
2290 fi
2291 shlibdir_default="$bindir_default"
2292 disable ffserver
2293 SLIBPREF=""
2294 SLIBSUF=".dll"
2295 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2296 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2297 SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)'
2298 SLIB_INSTALL_EXTRA_CMD='-install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"; \
2299 install -m 644 $(SUBDIR)$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib) "$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.lib)"; \
2300 install -d "$(LIBDIR)"; \
2301 install -m 644 $(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) "$(LIBDIR)/lib$(SLIBNAME:$(SLIBSUF)=.dll.a)"'
2302 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(SHLIBDIR)/$(SLIBNAME:$(SLIBSUF)=.lib)"'
2303 SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2304 objformat="win32"
2305 enable dos_paths
2306 check_cflags -fno-common
2307 check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2308 || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2309 die "ERROR: MinGW runtime version must be >= 3.15."
2310 ;;
2311 cygwin*)
2312 target_os=cygwin
2313 shlibdir_default="$bindir_default"
2314 SLIBPREF="cyg"
2315 SLIBSUF=".dll"
2316 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2317 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2318 SHFLAGS='-shared -Wl,--enable-auto-image-base'
2319 objformat="win32"
2320 enable dos_paths
2321 check_cflags -fno-common
2322 ;;
2323 *-dos|freedos|opendos)
2324 disable ffplay ffserver
2325 disable $INDEV_LIST $OUTDEV_LIST
2326 network_extralibs="-lsocket"
2327 objformat="coff"
2328 enable dos_paths
2329 ;;
2330 linux)
2331 enable dv1394
2332 ;;
2333 irix*)
2334 target_os=irix
2335 ranlib="echo ignoring ranlib"
2336 ;;
2337 os/2*)
2338 strip="lxlite"
2339 ln_s="cp -f"
2340 add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2341 SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2342 FFSERVERLDFLAGS=""
2343 LIBSUF="_s.a"
2344 SLIBPREF=""
2345 SLIBSUF=".dll"
2346 SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2347 SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2348 SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2349 echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2350 echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2351 echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2352 echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2353 emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2354 SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2355 emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2356 SLIB_INSTALL_EXTRA_CMD='install -m 644 $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib "$(LIBDIR)"'
2357 SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
2358 enable dos_paths
2359 ;;
2360 gnu/kfreebsd)
2361 ;;
2362 gnu)
2363 ;;
2364 none)
2365 ;;
2366 *)
2367 die "Unknown OS '$target_os'."
2368 ;;
2369 esac
2370
2371 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2372
2373 set_default $PATHS_LIST
2374
2375 # we need to build at least one lib type
2376 if ! enabled_any static shared; then
2377 cat <<EOF
2378 At least one library type must be built.
2379 Specify --enable-static to build the static libraries or --enable-shared to
2380 build the shared libraries as well. To only build the shared libraries specify
2381 --disable-static in addition to --enable-shared.
2382 EOF
2383 exit 1;
2384 fi
2385
2386 disabled static && LIBNAME=""
2387
2388 die_license_disabled() {
2389 enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2390 }
2391
2392 die_license_disabled gpl libx264
2393 die_license_disabled gpl libxavs
2394 die_license_disabled gpl libxvid
2395 die_license_disabled gpl postproc
2396 die_license_disabled gpl x11grab
2397
2398 die_license_disabled nonfree libfaac
2399
2400 die_license_disabled version3 libopencore_amrnb
2401 die_license_disabled version3 libopencore_amrwb
2402
2403 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2404
2405 check_deps $ARCH_EXT_LIST
2406
2407 disabled optimizations || check_cflags -fomit-frame-pointer
2408
2409 enable_pic() {
2410 enable pic
2411 add_cppflags -DPIC
2412 add_cflags -fPIC
2413 add_asflags -fPIC
2414 }
2415
2416 enabled pic && enable_pic
2417
2418 check_cc <<EOF || die "Symbol mangling check failed."
2419 int ff_extern;
2420 EOF
2421 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2422 extern_prefix=${sym%%ff_extern*}
2423
2424 check_cc <<EOF && enable inline_asm
2425 void foo(void) { __asm__ volatile ("" ::); }
2426 EOF
2427
2428 _restrict=
2429 for restrict_keyword in restrict __restrict__ __restrict; do
2430 check_cc <<EOF && _restrict=$restrict_keyword && break
2431 void foo(char * $restrict_keyword p);
2432 EOF
2433 done
2434
2435 check_cc <<EOF && enable attribute_packed
2436 struct { int x; } __attribute__((packed)) x;
2437 EOF
2438
2439 check_cc <<EOF && enable attribute_may_alias
2440 union { int x; } __attribute__((may_alias)) x;
2441 EOF
2442
2443 check_cc <<EOF || die "endian test failed"
2444 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2445 EOF
2446 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2447
2448 if enabled alpha; then
2449
2450 check_cflags -mieee
2451
2452 elif enabled arm; then
2453
2454 check_cflags -marm
2455 nogas=die
2456
2457 check_ld <<EOF && enable vfp_args
2458 __asm__ (".eabi_attribute 28, 1");
2459 int main(void) { return 0; }
2460 EOF
2461
2462 # We have to check if pld is a nop and disable it.
2463 check_asm pld '"pld [r0]"'
2464
2465 enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2466 enabled armv6 && check_asm armv6 '"sadd16 r0, r0, r0"'
2467 enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2468 enabled armvfp && check_asm armvfp '"fadds s0, s0, s0"'
2469 enabled iwmmxt && check_asm iwmmxt '"wunpckelub wr6, wr4"'
2470 enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"'
2471
2472 enabled_all armv6t2 shared !pic && enable_pic
2473
2474 elif enabled mips; then
2475
2476 check_asm loongson '"dmult.g $1, $2, $3"'
2477 enabled mmi && check_asm mmi '"lq $2, 0($2)"'
2478
2479 elif enabled ppc; then
2480
2481 enable local_aligned_8 local_aligned_16
2482
2483 check_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
2484 check_asm ibm_asm '"add 0, 0, 0"'
2485 check_asm ppc4xx '"maclhw r10, r11, r12"'
2486 check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2487
2488 # AltiVec flags: The FSF version of GCC differs from the Apple version
2489 if enabled altivec; then
2490 nogas=warn
2491 check_cflags -maltivec -mabi=altivec &&
2492 { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2493 check_cflags -faltivec
2494
2495 # check if our compiler supports Motorola AltiVec C API
2496 check_cc <<EOF || disable altivec
2497 $inc_altivec_h
2498 int main(void) {
2499 vector signed int v1, v2, v3;
2500 v1 = vec_add(v2,v3);
2501 return 0;
2502 }
2503 EOF
2504
2505 # check if our compiler supports braces for vector declarations
2506 check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2507 $inc_altivec_h
2508 int main (void) { (vector int) {1}; return 0; }
2509 EOF
2510 fi
2511
2512 elif enabled sparc; then
2513
2514 enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2515 add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2516
2517 elif enabled x86; then
2518
2519 enable local_aligned_8 local_aligned_16
2520
2521 # check whether EBP is available on x86
2522 # As 'i' is stored on the stack, this program will crash
2523 # if the base pointer is used to access it because the
2524 # base pointer is cleared in the inline assembly code.
2525 check_exec_crash <<EOF && enable ebp_available
2526 volatile int i=0;
2527 __asm__ volatile (
2528 "xorl %%ebp, %%ebp"
2529 ::: "%ebp");
2530 return i;
2531 EOF
2532
2533 # check whether EBX is available on x86
2534 check_asm ebx_available '""::"b"(0)' &&
2535 check_asm ebx_available '"":::"%ebx"'
2536
2537 # check whether more than 10 operands are supported
2538 check_cc <<EOF && enable ten_operands
2539 int main(void) {
2540 int x=0;
2541 __asm__ volatile(
2542 ""
2543 :"+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x), "+&rm"(x)
2544 );
2545 return 0;
2546 }
2547 EOF
2548
2549 # check whether binutils is new enough to compile SSSE3/MMX2
2550 enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2551 enabled mmx2 && check_asm mmx2 '"pmaxub %mm0, %mm1"'
2552
2553 check_asm bswap '"bswap %%eax" ::: "%eax"'
2554
2555 YASMFLAGS="-f $objformat -DARCH_$(toupper $subarch)"
2556 enabled x86_64 && append YASMFLAGS "-m amd64"
2557 enabled pic && append YASMFLAGS "-DPIC"
2558 test -n "$extern_prefix" && append YASMFLAGS "-DPREFIX"
2559 case "$objformat" in
2560 elf) enabled debug && append YASMFLAGS "-g dwarf2" ;;
2561 esac
2562 if ! disabled yasm; then
2563 check_yasm "pabsw xmm0, xmm0" && enable yasm ||
2564 warn "yasm not found, performance will suffer"
2565 fi
2566
2567 case "$cpu" in
2568 athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2569 disable fast_clz
2570 ;;
2571 esac
2572
2573 fi
2574
2575 if enabled asm; then
2576 as=${gas:=$as}
2577 check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2578 $nogas "GNU assembler not found, install gas-preprocessor"
2579 fi
2580
2581 if check_func dlopen; then
2582 ldl=
2583 elif check_func dlopen -ldl; then
2584 ldl=-ldl
2585 fi
2586
2587 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2588 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2589
2590 check_func fcntl
2591 check_func fork
2592 check_func getaddrinfo $network_extralibs
2593 check_func gethrtime
2594 check_func getrusage
2595 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2596 check_func inet_aton $network_extralibs
2597 check_func isatty
2598 check_func ${malloc_prefix}memalign && enable memalign
2599 check_func mkstemp
2600 check_func ${malloc_prefix}posix_memalign && enable posix_memalign
2601 check_func setrlimit
2602 check_func strerror_r
2603 check_func_headers io.h setmode
2604 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2605 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2606 check_func_headers windows.h GetProcessTimes
2607 check_func_headers windows.h VirtualAlloc
2608
2609 check_header conio.h
2610 check_header dlfcn.h
2611 check_header dxva2api.h
2612 check_header malloc.h
2613 check_header poll.h
2614 check_header sys/mman.h
2615 check_header sys/resource.h
2616 check_header sys/select.h
2617 check_header termios.h
2618 check_header vdpau/vdpau.h
2619 check_header vdpau/vdpau_x11.h
2620 check_header X11/extensions/XvMClib.h
2621
2622 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2623
2624 if ! enabled_any memalign memalign_hack posix_memalign malloc_aligned &&
2625 enabled_any $need_memalign ; then
2626 die "Error, no aligned memory allocator but SSE enabled, disable it or use --enable-memalign-hack."
2627 fi
2628
2629 disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib
2630 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2631
2632 # check for some common methods of building with pthread support
2633 # do this before the optional library checks as some of them require pthreads
2634 if ! disabled pthreads && ! enabled w32threads; then
2635 enable pthreads
2636 if check_func pthread_create; then
2637 :
2638 elif check_func pthread_create -pthread; then
2639 add_cflags -pthread
2640 add_extralibs -pthread
2641 elif check_func pthread_create -pthreads; then
2642 add_cflags -pthreads
2643 add_extralibs -pthreads
2644 elif check_func pthread_create -lpthreadGC2; then
2645 add_extralibs -lpthreadGC2
2646 elif ! check_lib pthread.h pthread_create -lpthread; then
2647 disable pthreads
2648 fi
2649 fi
2650
2651 for thread in $THREADS_LIST; do
2652 if enabled $thread; then
2653 test -n "$thread_type" &&
2654 die "ERROR: Only one thread type must be selected." ||
2655 thread_type="$thread"
2656 fi
2657 done
2658
2659 check_lib math.h sin -lm
2660 disabled vaapi || check_lib va/va.h vaInitialize -lva
2661
2662 check_mathfunc exp2
2663 check_mathfunc exp2f
2664 check_mathfunc llrint
2665 check_mathfunc llrintf
2666 check_mathfunc log2
2667 check_mathfunc log2f
2668 check_mathfunc lrint
2669 check_mathfunc lrintf
2670 check_mathfunc round
2671 check_mathfunc roundf
2672 check_mathfunc truncf
2673
2674 # these are off by default, so fail if requested and not available
2675 enabled avisynth && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2676 enabled libdirac && add_cflags $(pkg-config --cflags dirac) &&
2677 require libdirac libdirac_decoder/dirac_parser.h dirac_decoder_init $(pkg-config --libs dirac) &&
2678 require libdirac libdirac_encoder/dirac_encoder.h dirac_encoder_init $(pkg-config --libs dirac)
2679 enabled libfaac && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2680 enabled libgsm && require libgsm gsm/gsm.h gsm_create -lgsm
2681 enabled libmp3lame && require libmp3lame lame/lame.h lame_init -lmp3lame
2682 enabled libnut && require libnut libnut.h nut_demuxer_init -lnut
2683 enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2684 enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2685 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2686 enabled librtmp && { check_lib librtmp/rtmp.h RTMP_Socket $(pkg-config --libs librtmp) ||
2687 die "ERROR: librtmp not found or RTMP_Socket() missing, librtmp version must be >= 2.2.f"; }
2688 enabled libschroedinger && add_cflags $(pkg-config --cflags schroedinger-1.0) &&
2689 require libschroedinger schroedinger/schro.h schro_init $(pkg-config --libs schroedinger-1.0)
2690 enabled libspeex && require libspeex speex/speex.h speex_decoder_init -lspeex
2691 enabled libtheora && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2692 enabled libvorbis && require libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2693 enabled libvpx && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx &&
2694 check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2695 die "ERROR: libvpx version must be >=0.9.1"; }
2696 enabled libx264 && require libx264 x264.h x264_encoder_encode -lx264 &&
2697 { check_cpp_condition x264.h "X264_BUILD >= 98" ||
2698 die "ERROR: libx264 version must be >= 0.98."; }
2699 enabled libxavs && require libxavs xavs.h xavs_encoder_encode -lxavs
2700 enabled libxvid && require libxvid xvid.h xvid_global -lxvidcore
2701 enabled mlib && require mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2702
2703 # libdc1394 check
2704 if enabled libdc1394; then
2705 { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2706 enable libdc1394_2; } ||
2707 { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2708 enable libdc1394_1; } ||
2709 die "ERROR: No version of libdc1394 found "
2710 fi
2711
2712 SDL_CONFIG="${cross_prefix}sdl-config"
2713 if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
2714 sdl_cflags=$("${SDL_CONFIG}" --cflags)
2715 sdl_libs=$("${SDL_CONFIG}" --libs)
2716 check_func_headers SDL.h SDL_Init $sdl_cflags $sdl_libs &&
2717 check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2718 enable sdl &&
2719 check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2720 fi
2721
2722 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2723
2724 if enabled network; then
2725 check_type "sys/types.h sys/socket.h" socklen_t
2726 check_type netdb.h "struct addrinfo"
2727 check_type netinet/in.h "struct ipv6_mreq"
2728 check_type netinet/in.h "struct sockaddr_in6"
2729 check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2730 check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2731 # Prefer arpa/inet.h over winsock2
2732 if check_header arpa/inet.h ; then
2733 check_func closesocket
2734 elif check_header winsock2.h ; then
2735 check_func_headers winsock2.h closesocket -lws2 && \
2736 network_extralibs="-lws2" || \
2737 { check_func_headers winsock2.h closesocket -lws2_32 && \
2738 network_extralibs="-lws2_32"; }
2739 check_type ws2tcpip.h socklen_t
2740 check_type ws2tcpip.h "struct addrinfo"
2741 check_type ws2tcpip.h "struct ipv6_mreq"
2742 check_type ws2tcpip.h "struct sockaddr_in6"
2743 check_type ws2tcpip.h "struct sockaddr_storage"
2744 check_struct winsock2.h "struct sockaddr" sa_len
2745 else
2746 disable network
2747 fi
2748 fi
2749
2750 check_header linux/videodev.h
2751 check_header linux/videodev2.h
2752 check_header sys/videoio.h
2753
2754 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2755 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2756 # w32api 3.12 had it defined wrong
2757 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2758
2759 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2760 { check_header dev/bktr/ioctl_meteor.h &&
2761 check_header dev/bktr/ioctl_bt848.h; } ||
2762 { check_header machine/ioctl_meteor.h &&
2763 check_header machine/ioctl_bt848.h; } ||
2764 { check_header dev/video/meteor/ioctl_meteor.h &&
2765 check_header dev/video/bktr/ioctl_bt848.h; } ||
2766 check_header dev/ic/bt8xx.h
2767
2768 check_header sys/soundcard.h
2769 check_header soundcard.h
2770
2771 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2772
2773 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2774
2775 enabled x11grab &&
2776 check_header X11/Xlib.h &&
2777 check_header X11/extensions/XShm.h &&
2778 check_header X11/extensions/Xfixes.h &&
2779 check_func XOpenDisplay -lX11 &&
2780 check_func XShmCreateImage -lX11 -lXext &&
2781 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2782
2783 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2784 check_cpp_condition \
2785 vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2786 { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2787 disable vdpau; }
2788 fi
2789
2790 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2791
2792 # add some useful compiler flags if supported
2793 check_cflags -Wdeclaration-after-statement
2794 check_cflags -Wall
2795 check_cflags -Wno-switch
2796 check_cflags -Wdisabled-optimization
2797 check_cflags -Wpointer-arith
2798 check_cflags -Wredundant-decls
2799 check_cflags -Wno-pointer-sign
2800 check_cflags -Wcast-qual
2801 check_cflags -Wwrite-strings
2802 check_cflags -Wtype-limits
2803 check_cflags -Wundef
2804 check_cflags -Wmissing-prototypes
2805 enabled extra_warnings && check_cflags -Winline
2806
2807 # add some linker flags
2808 check_ldflags -Wl,--warn-common
2809 check_ldflags -Wl,--as-needed
2810 check_ldflags '-Wl,-rpath-link,\$(BUILD_ROOT)/libpostproc -Wl,-rpath-link,\$(BUILD_ROOT)/libswscale -Wl,-rpath-link,\$(BUILD_ROOT)/libavfilter -Wl,-rpath-link,\$(BUILD_ROOT)/libavdevice -Wl,-rpath-link,\$(BUILD_ROOT)/libavformat -Wl,-rpath-link,\$(BUILD_ROOT)/libavcodec -Wl,-rpath-link,\$(BUILD_ROOT)/libavcore -Wl,-rpath-link,\$(BUILD_ROOT)/libavutil'
2811 check_ldflags -Wl,-Bsymbolic
2812
2813 echo "X{};" > $TMPV
2814 if test_ldflags -Wl,--version-script,$TMPV; then
2815 append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
2816 check_cc <<EOF && enable symver_asm_label
2817 void ff_foo(void) __asm__ ("av_foo@VERSION");
2818 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
2819 EOF
2820 check_cc <<EOF && enable symver_gnu_asm
2821 __asm__(".symver ff_foo,av_foo@VERSION");
2822 void ff_foo(void) {}
2823 EOF
2824 fi
2825
2826 if enabled small; then
2827 add_cflags $size_cflags
2828 optimizations="small"
2829 elif enabled optimizations; then
2830 add_cflags $speed_cflags
2831 else
2832 add_cflags $noopt_cflags
2833 fi
2834 check_cflags -fno-math-errno
2835 check_cflags -fno-signed-zeros
2836
2837 if enabled icc; then
2838 # Just warnings, no remarks
2839 check_cflags -w1
2840 # -wd: Disable following warnings
2841 # 144, 167, 556: -Wno-pointer-sign
2842 # 10006: ignoring unknown option -fno-signed-zeros
2843 # 10156: ignoring option '-W'; no argument required
2844 check_cflags -wd144,167,556,10006,10156
2845 # 11030: Warning unknown option --as-needed
2846 # 10156: ignoring option '-export'; no argument required
2847 check_ldflags -wd10156,11030
2848 # Allow to compile with optimizations
2849 check_ldflags -march=$cpu
2850 # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
2851 enable ebp_available
2852 elif enabled ccc; then
2853 # disable some annoying warnings
2854 add_cflags -msg_disable cvtu32to64
2855 add_cflags -msg_disable embedcomment
2856 add_cflags -msg_disable needconstext
2857 add_cflags -msg_disable nomainieee
2858 add_cflags -msg_disable ptrmismatch1
2859 add_cflags -msg_disable unreachcode
2860 elif enabled gcc; then
2861 check_cflags -fno-tree-vectorize
2862 check_cflags -Werror=implicit-function-declaration
2863 check_cflags -Werror=missing-prototypes
2864 elif enabled clang; then
2865 check_cflags -Qunused-arguments
2866 elif enabled armcc; then
2867 # 2523: use of inline assembler is deprecated
2868 add_cflags -Wrvct,--diag_suppress=2523
2869 add_cflags -Wrvct,--diag_suppress=1207
2870 elif enabled tms470; then
2871 add_cflags -pds=824 -pds=837
2872 fi
2873
2874 enabled_any $THREADS_LIST && enable threads
2875
2876 check_deps $CONFIG_LIST \
2877 $CONFIG_EXTRA \
2878 $HAVE_LIST \
2879 $DECODER_LIST \
2880 $ENCODER_LIST \
2881 $HWACCEL_LIST \
2882 $PARSER_LIST \
2883 $BSF_LIST \
2884 $DEMUXER_LIST \
2885 $MUXER_LIST \
2886 $FILTER_LIST \
2887 $INDEV_LIST \
2888 $OUTDEV_LIST \
2889 $PROTOCOL_LIST \
2890 $ACODEC_TESTS \
2891 $VCODEC_TESTS \
2892 $LAVF_TESTS \
2893 $LAVFI_TESTS \
2894 $SEEK_TESTS \
2895
2896 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
2897
2898 echo "install prefix $prefix"
2899 echo "source path $source_path"
2900 echo "C compiler $cc"
2901 echo "ARCH $arch ($cpu)"
2902 if test "$build_suffix" != ""; then
2903 echo "build suffix $build_suffix"
2904 fi
2905 if test "$extra_version" != ""; then
2906 echo "version string suffix $extra_version"
2907 fi
2908 echo "big-endian ${bigendian-no}"
2909 echo "runtime cpu detection ${runtime_cpudetect-no}"
2910 if enabled x86; then
2911 echo "yasm ${yasm-no}"
2912 echo "MMX enabled ${mmx-no}"
2913 echo "MMX2 enabled ${mmx2-no}"
2914 echo "3DNow! enabled ${amd3dnow-no}"
2915 echo "3DNow! extended enabled ${amd3dnowext-no}"
2916 echo "SSE enabled ${sse-no}"
2917 echo "SSSE3 enabled ${ssse3-no}"
2918 echo "CMOV enabled ${cmov-no}"
2919 echo "CMOV is fast ${fast_cmov-no}"
2920 echo "EBX available ${ebx_available-no}"
2921 echo "EBP available ${ebp_available-no}"
2922 echo "10 operands supported ${ten_operands-no}"
2923 fi
2924 if enabled arm; then
2925 echo "ARMv5TE enabled ${armv5te-no}"
2926 echo "ARMv6 enabled ${armv6-no}"
2927 echo "ARMv6T2 enabled ${armv6t2-no}"
2928 echo "ARM VFP enabled ${armvfp-no}"
2929 echo "IWMMXT enabled ${iwmmxt-no}"
2930 echo "NEON enabled ${neon-no}"
2931 fi
2932 if enabled mips; then
2933 echo "MMI enabled ${mmi-no}"
2934 fi
2935 if enabled ppc; then
2936 echo "AltiVec enabled ${altivec-no}"
2937 echo "PPC 4xx optimizations ${ppc4xx-no}"
2938 echo "dcbzl available ${dcbzl-no}"
2939 fi
2940 if enabled sparc; then
2941 echo "VIS enabled ${vis-no}"
2942 fi
2943 echo "debug symbols ${debug-no}"
2944 echo "strip symbols ${stripping-no}"
2945 echo "optimizations ${optimizations-no}"
2946 echo "static ${static-no}"
2947 echo "shared ${shared-no}"
2948 echo "postprocessing support ${postproc-no}"
2949 echo "new filter support ${avfilter-no}"
2950 echo "network support ${network-no}"
2951 echo "threading support ${thread_type-no}"
2952 echo "SDL support ${sdl-no}"
2953 echo "Sun medialib support ${mlib-no}"
2954 echo "AVISynth enabled ${avisynth-no}"
2955 echo "libdc1394 support ${libdc1394-no}"
2956 echo "libdirac enabled ${libdirac-no}"
2957 echo "libfaac enabled ${libfaac-no}"
2958 echo "libgsm enabled ${libgsm-no}"
2959 echo "libmp3lame enabled ${libmp3lame-no}"
2960 echo "libnut enabled ${libnut-no}"
2961 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
2962 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
2963 echo "libopenjpeg enabled ${libopenjpeg-no}"
2964 echo "librtmp enabled ${librtmp-no}"
2965 echo "libschroedinger enabled ${libschroedinger-no}"
2966 echo "libspeex enabled ${libspeex-no}"
2967 echo "libtheora enabled ${libtheora-no}"
2968 echo "libvorbis enabled ${libvorbis-no}"
2969 echo "libvpx enabled ${libvpx-no}"
2970 echo "libx264 enabled ${libx264-no}"
2971 echo "libxavs enabled ${libxavs-no}"
2972 echo "libxvid enabled ${libxvid-no}"
2973 echo "zlib enabled ${zlib-no}"
2974 echo "bzlib enabled ${bzlib-no}"
2975 echo
2976
2977 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
2978 echo "Enabled ${type}s:"
2979 eval list=\$$(toupper $type)_LIST
2980 print_enabled '_*' $list | sort | pr -3 -t
2981 echo
2982 done
2983
2984 license="LGPL version 2.1 or later"
2985 if enabled nonfree; then
2986 license="nonfree and unredistributable"
2987 elif enabled gplv3; then
2988 license="GPL version 3 or later"
2989 elif enabled lgplv3; then
2990 license="LGPL version 3 or later"
2991 elif enabled gpl; then
2992 license="GPL version 2 or later"
2993 fi
2994
2995 echo "License: $license"
2996
2997 echo "Creating config.mak and config.h..."
2998
2999 # build tree in object directory if source path is different from current one
3000 if enabled source_path_used; then
3001 DIRS="
3002 doc
3003 libavcodec
3004 libavcodec/$arch
3005 libavcore
3006 libavdevice
3007 libavfilter
3008 libavformat
3009 libavutil
3010 libavutil/$arch
3011 libpostproc
3012 libswscale
3013 libswscale/$arch
3014 tests
3015 tools
3016 "
3017 FILES="
3018 Makefile
3019 common.mak
3020 subdir.mak
3021 doc/texi2pod.pl
3022 libavcodec/Makefile
3023 libavcodec/${arch}/Makefile
3024 libavcore/Makefile
3025 libavdevice/Makefile
3026 libavfilter/Makefile
3027 libavformat/Makefile
3028 libavutil/Makefile
3029 libpostproc/Makefile
3030 libswscale/Makefile
3031 "
3032 map 'mkdir -p $v' $DIRS;
3033 map 'test -f "$source_path/$v" && $ln_s "$source_path/$v" $v' $FILES
3034 fi
3035
3036 enabled stripping || strip="echo skipping strip"
3037
3038 cat > config.mak <<EOF
3039 # Automatically generated by configure - do not modify!
3040 ifndef FFMPEG_CONFIG_MAK
3041 FFMPEG_CONFIG_MAK=1
3042 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3043 prefix=$prefix
3044 LIBDIR=\$(DESTDIR)$libdir
3045 SHLIBDIR=\$(DESTDIR)$shlibdir
3046 INCDIR=\$(DESTDIR)$incdir
3047 BINDIR=\$(DESTDIR)$bindir
3048 DATADIR=\$(DESTDIR)$datadir
3049 MANDIR=\$(DESTDIR)$mandir
3050 SRC_PATH="$source_path"
3051 SRC_PATH_BARE=$source_path
3052 BUILD_ROOT="$PWD"
3053 CC_IDENT=$cc_ident
3054 ARCH=$arch
3055 CC=$cc
3056 AS=$as
3057 LD=$ld
3058 DEPCC=$dep_cc
3059 YASM=$yasmexe
3060 YASMDEP=$yasmexe
3061 AR=$ar
3062 RANLIB=$ranlib
3063 CP=cp -p
3064 LN_S=$ln_s
3065 STRIP=$strip
3066 CPPFLAGS=$CPPFLAGS
3067 CFLAGS=$CFLAGS
3068 ASFLAGS=$ASFLAGS
3069 CC_O=$CC_O
3070 LDFLAGS=$LDFLAGS
3071 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3072 SHFLAGS=$SHFLAGS
3073 YASMFLAGS=$YASMFLAGS
3074 BUILDSUF=$build_suffix
3075 FULLNAME=$FULLNAME
3076 LIBPREF=$LIBPREF
3077 LIBSUF=$LIBSUF
3078 LIBNAME=$LIBNAME
3079 SLIBPREF=$SLIBPREF
3080 SLIBSUF=$SLIBSUF
3081 EXESUF=$EXESUF
3082 EXTRA_VERSION=$extra_version
3083 DEPFLAGS=$DEPFLAGS
3084 CCDEP=$CCDEP
3085 ASDEP=$ASDEP
3086 CC_DEPFLAGS=$CC_DEPFLAGS
3087 AS_DEPFLAGS=$AS_DEPFLAGS
3088 HOSTCC=$host_cc
3089 HOSTCFLAGS=$host_cflags
3090 HOSTEXESUF=$HOSTEXESUF
3091 HOSTLDFLAGS=$host_ldflags
3092 HOSTLIBS=$host_libs
3093 TARGET_EXEC=$target_exec
3094 TARGET_PATH=$target_path
3095 SDL_LIBS=$sdl_libs
3096 SDL_CFLAGS=$sdl_cflags
3097 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3098 EXTRALIBS=$extralibs
3099 INSTALL=install
3100 LIBTARGET=${LIBTARGET}
3101 SLIBNAME=${SLIBNAME}
3102 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3103 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3104 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3105 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3106 SLIB_INSTALL_EXTRA_CMD=${SLIB_INSTALL_EXTRA_CMD}
3107 SLIB_UNINSTALL_EXTRA_CMD=${SLIB_UNINSTALL_EXTRA_CMD}
3108 SAMPLES=$samples
3109 EOF
3110
3111 get_version(){
3112 name=$1
3113 file=$source_path/$2
3114 eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3115 eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3116 lcname=$(tolower $name)
3117 eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3118 eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3119 }
3120
3121 get_version LIBSWSCALE libswscale/swscale.h
3122 get_version LIBPOSTPROC libpostproc/postprocess.h
3123 get_version LIBAVCODEC libavcodec/avcodec.h
3124 get_version LIBAVCORE libavcore/avcore.h
3125 get_version LIBAVDEVICE libavdevice/avdevice.h
3126 get_version LIBAVFORMAT libavformat/avformat.h
3127 get_version LIBAVUTIL libavutil/avutil.h
3128 get_version LIBAVFILTER libavfilter/avfilter.h
3129
3130 cat > $TMPH <<EOF
3131 /* Automatically generated by configure - do not modify! */
3132 #ifndef FFMPEG_CONFIG_H
3133 #define FFMPEG_CONFIG_H
3134 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3135 #define FFMPEG_LICENSE "$(c_escape $license)"
3136 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3137 #define CC_TYPE "$cc_type"
3138 #define CC_VERSION $cc_version
3139 #define restrict $_restrict
3140 #define ASMALIGN(ZEROBITS) ".p2align " #ZEROBITS "\\n\\t"
3141 #define EXTERN_PREFIX "${extern_prefix}"
3142 #define EXTERN_ASM ${extern_prefix}
3143 EOF
3144
3145 test -n "$malloc_prefix" &&
3146 echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3147
3148 if enabled small || disabled optimizations; then
3149 echo "#undef av_always_inline" >> $TMPH
3150 echo "#define av_always_inline" >> $TMPH
3151 fi
3152
3153 print_config ARCH_ $TMPH config.mak $ARCH_LIST
3154 print_config HAVE_ $TMPH config.mak $HAVE_LIST
3155 print_config CONFIG_ $TMPH config.mak $CONFIG_LIST \
3156 $CONFIG_EXTRA \
3157 $DECODER_LIST \
3158 $ENCODER_LIST \
3159 $HWACCEL_LIST \
3160 $PARSER_LIST \
3161 $BSF_LIST \
3162 $DEMUXER_LIST \
3163 $MUXER_LIST \
3164 $FILTER_LIST \
3165 $PROTOCOL_LIST \
3166 $INDEV_LIST \
3167 $OUTDEV_LIST \
3168
3169 cat >>config.mak <<EOF
3170 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3171 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3172 LAVF_TESTS=$(print_enabled -n _test $LAVF_TESTS)
3173 LAVFI_TESTS=$(print_enabled -n _test $LAVFI_TESTS)
3174 SEEK_TESTS=$(print_enabled -n _test $SEEK_TESTS)
3175 EOF
3176
3177 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3178 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3179
3180 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3181 cp_if_changed $TMPH config.h
3182 touch .config
3183
3184 cat > $TMPH <<EOF
3185 /* Generated by ffconf */
3186 #ifndef AVUTIL_AVCONFIG_H
3187 #define AVUTIL_AVCONFIG_H
3188 EOF
3189
3190 print_config AV_HAVE_ $TMPH /dev/null $HAVE_LIST_PUB
3191
3192 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3193
3194 cp_if_changed $TMPH libavutil/avconfig.h
3195
3196 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
3197
3198 test -n "$WARNINGS" && printf "\n$WARNINGS"
3199
3200 # build pkg-config files
3201
3202 pkgconfig_generate(){
3203 name=$1
3204 shortname=${name#lib}${build_suffix}
3205 comment=$2
3206 version=$3
3207 libs=$4
3208 requires=$5
3209 enabled $shortname || return 0
3210 cat <<EOF > $name/$name.pc
3211 prefix=$prefix
3212 exec_prefix=\${prefix}
3213 libdir=$libdir
3214 includedir=$incdir
3215
3216 Name: $name
3217 Description: $comment
3218 Version: $version
3219 Requires: $(enabled shared || echo $requires)
3220 Requires.private: $(enabled shared && echo $requires)
3221 Conflicts:
3222 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3223 Libs.private: $(enabled shared && echo $libs)
3224 Cflags: -I\${includedir}
3225 EOF
3226 cat <<EOF > $name/$name-uninstalled.pc
3227 prefix=
3228 exec_prefix=
3229 libdir=\${pcfiledir}
3230 includedir=${source_path}
3231
3232 Name: $name
3233 Description: $comment
3234 Version: $version
3235 Requires: $requires
3236 Conflicts:
3237 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3238 Cflags: -I\${includedir}
3239 EOF
3240 }
3241
3242 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION"
3243 pkgconfig_generate libavcore "FFmpeg multimedia shared core utilities library" "$LIBAVCORE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3244 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3245 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3246 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3247 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavcore = $LIBAVCORE_VERSION"
3248 pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
3249 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"